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Hardware Isn't Generally Copyrightable (2012) (archive.org)
100 points by segfaultbuserr on May 19, 2020 | hide | past | favorite | 56 comments


I'm not a lawyer, but that seems super weird, to the point where I'm not sure any of this is actually true.

Why couldn't the actual design of a PCB be copyrighted, for instance? I mean, one could argue that there's as much intellectual property being created when you route a PCB than when you write a book.

And if it's about manufacturing, why wouldn't the argument apply to books too? According to this document's logic, the inner meaning ("schematics") of a book could be copyrighted, but not the book itself, so that I would be free to print and sell as many copies as I want of any given book. Doesn't seem quite right to me...


Copyright was originally set up to protect artistic works and not ideas or devices [1] [2]. Hardware in this context (PCBs etc.) is, I guess, considered an idea or device rather than a piece of artistic work. I think this is why we have the two systems of copyright and patents. Copyrights had the scope of artistic work and patents had the scope of engineering work.

I think one of the confusions is that we're so used to source code being copyrightable but that's a relatively recent invention when software came into mass use [3]. My opinion is that were it not for lobbying efforts to consider source code as artistic work, source code would probably be considered a "device" and not subject to copyright, just like hardware.

I don't want to put interpret Stallman's view incorrectly but I believe that this is the crux of his argument. If I interpret his view correctly, he believes software is more function than art, especially as it relates to fundamental infrastructure, and that copyright shouldn't be applied to such works or least should be restricted in the scope of application.

Also note that clothing is not copyrightable. This is why you see so many (legal) knock off clothes. The brand, or trademark, is something that's legally protected but not the designs themselves. I think the fashion industry is lobbying to try and change this and have their work protected by copyright [4].

IANAL

[1] https://en.wikipedia.org/wiki/Copyright

[2] https://www.bitlaw.com/copyright/unprotected.html#ideas

[3] http://digital-law-online.info/lpdi1.0/treatise17.html

[4] https://www.washingtonpost.com/blogs/arts-post/post/fashion-...


You can't copyright a functional part in the US. That's why there's a third party auto parts industry. Auto manufacturers have tried to get legislation through the US Congress so that they could copyright sheet metal parts, but that failed. As special cases, boat hulls and IC masks are copyrightable.

Here's an overview of how it affects the auto industry.[1]

[1] https://digitalcommons.lmu.edu/cgi/viewcontent.cgi?&article=...


What part of the car isn't a part? Can I get a replacement body for a 1982 VW van? If this is true, why don't we see more clones?

I am not adverse to any of this, I think it is wonderful, I just don't know the answer.


You can get most VW van parts.[1] There are many replica car kits.[2] Usually they look like some classic, but have a modern chassis and powertrain underneath.

[1] https://www.piersideparts.net/BSM.html

[2] http://kitcarlist.com/porsche-kits.html


You can get replacement panels for the 1982 vw van off the shelf, first google result https://raybuck.com/panels/volkswagen/1980-1990-volkswagen-v...

Most older vintage replacement panels are pressed using original factory dies bought by third parties and repaired multiple times over the years. Sometimes you wont want the original die pressed parts because they werent all that great to begin with. ~1960 Porshes and Ferraris were pretty much hand made and nothing fit all that great.


>Why couldn't the actual design of a PCB be copyrighted,

Don't worry, it is!

Schematics are copyrighted as well.

But someone can take your schematic, lay out their own board, and produce a exact equivalent of your circuit, using all the same components.


Note that it cannot, theoretically, completely stop someone from producing a device with an identical layout. Since only the expression is protected, not the idea or system, theoretically, if your layout is the only reasonable layout to implement the circuit in question, it's legal for someone else to ignore your layout's copyright status and produce an identical copy of it.

For example, some special RF and analog devices require special layout techniques to ensure their proper operations. It must have a copper pour at this location, and it must have a guard ring at that location, etc., to achieve its tested performance. If you are able to argue the layout in question is the only reasonable layout to implement the circuit, the layout is not copyrightable in general. And in RF planar circuit it's even weirder - the layout itself is the circuit [0]. If the layout in question is the only reasonable implementation of the circuit (you cannot make a hairpin filter with an identical frequency response unless it looks like the original hairpin filter), it's not copyrightable.

While it's not legal to copy the entire board, copy a small subsection is possible.

[0] https://en.wikipedia.org/wiki/Planar_transmission_line


This should be higher up.

PCBs are considered more like artwork.


As someone who just spent today bringing up a PCB of my own design, I do not want this. I think intellectual property restrictions are harmful for innovation, the environment, and the economy. But don't take my word for it, listen to this 16 year old who has been running an electronics repair business since they were 12:

https://www.youtube.com/watch?v=0SZrGm3ZqQU


IANAL, but if that’s true now it’s because copyright law has changed. In the past that wasn’t the case: https://en.m.wikipedia.org/wiki/Synthesizer_clone


None of the examples there involve directly copying PCBs.


I'm not a lawyer either. As I understand it, the design document itself is protected by copyright, but the physical device itself is not.

I think the reason for this is that copyright and patent law exists to promote the advancement of the arts and sciences. When copyright covers a work it also covers smaller portions of it. With machines there's often only a few efficient ways of making it work. If those were covered by copyright then everyone else would have to invent new ways of doing the same thing. You can get a patent on a novel machine though, but patents last for much less time than copyright does.

It's a bit like copyrighting an API and then everyone else has to rename their math.min and math.max functions.


> It's a bit like copyrighting an API and then everyone else has to rename their math.min and math.max functions.

Well, that's still up in the air, isn't it?

https://en.wikipedia.org/wiki/Google_v._Oracle_America#Supre...


Which expression of the API is copyrighted? You can’t copyright an abstract concept—quite literally a meaningless idea. The documentation, the code, some kind of more formal expression of the exposed functionality? The distributed binary?


Re. Oracle vs Google, I believe Oracle's arguing it's the method names themselves, so a formal expression of the exposed functionality.

These are methods like math.min and math.max. If your Java implementation doesn't have methods named math.min and math.max, regardless of how they're written, a whole lot of Java programs aren't going to work.

This (in my opinion) falls into the "there's only a few [efficient] ways of making it work" category, and shouldn't be copyrightable. But I guess we'll see what happens once courts resume.

http://www.groklaw.net/article.php?story=20120531172522459

(another, separate, point of contention in Oracle v. Google is the rangeCheck method, the code of which is identical in both implementations. but there's only so many ways to write a rangeCheck function...)


We are so used to the silliness that every data is copyrightable that we forgot how weird it actually is. No, there are things that are not copyrightable and this is actually the default.


"In no case does copyright protection for an original work of authorship extend to any idea, procedure, process, system, method of operation, concept, principle, or discovery, regardless of the form in which it is described, explained, illustrated, or embodied in such work."

This seems relatively straightforward and while I understand the law is properly understood by understanding a large body of law and legal opinions on the interactions of same I see no particular reason to disbelieve it.

In particular nobody is obliged to accept an obviously absurd interpretation of the law because it would seem to follow from an exact reading of the law. It's not math nor a computer program interpreted in the minds of judges. Case in point the above argument on the "schematics" of a book.

This doesn't work because judges aren't robots and would laugh it out of a court room. The same way we should laugh new innovative interpretations of copyright out of the world stage.

Lets ask a deeper question. Why WOULD it be a good thing if copyright applied to machines? Copyright for all intents and purposes will probably never be allowed to lapse in reality. As it stands the people that end up owning everything else would end up being the people that own the ability to move forward under each and eventually every industry ad infinitum as they bought up basic rights in a given industry not for a finite amount of time but forever.

In short we are already in what must be nearly the most ridiculous time line possible. Lets not make it worse.


> procedure, process, system, method of operation

That very much sounds like code, which is indeed copyrightable.


Well, the procedure, processes, systems etc. aren't copyrighted. That's what software patents are trying to lock down. The original source code (which is the document / 'artwork'), however, is.

I can see a case for the object code not being copyrightable, though, since it fits the above description. I think there's a clause in the copyright laws about 'mechanically derived' things being covered by the same copyright as the original (so, say, a print of a book is covered by the original manuscript's copyright) and that object code fits under this.


Because large amounts of money ride on reaching the questionable conclusion in question. In any case courts have consistently been finding code to be copyrightable and machines not.


> intellectual property

There is no monolithic "intellectual property", it's an catch-all, umbrella term that refers to a large body of independent laws on copyright, patent, trademark, and trade secrets, which are historically established under different contexts. A work can be uncopyrigtable, but still restricted from reproduction due to a patent or trade secret status. It's why the term "intellectual property" should be avoided.

> Why couldn't the actual design of a PCB be copyrighted, for instance? I mean, one could argue that there's as much intellectual property being created when you route a PCB than when you write a book.

The bottom line is, just because something takes intellectual efforts to create doesn't imply it must have copyright status.

Copyright is an artificial monopoly constructed by the governments. Usually, the scope of copyright laws is limited to the expression of creative and artistic works, and furthermore, not the ideas or systems themselves, but merely their expressions. Many types of "functional" works are explicitly not covered under the copyright law. Also, it's also important to remember that the ultimate purpose of copyright law is to promote public interest. Thus it's entirely reasonable that the government deliberately decides not to put something under the copyright laws if the public interest takes priority. It's equally possible that the government suddenly wants to put something under the copyright laws because it considers the public interest is better served by granting copyright restrictions to the authors.

A controversial example is the French copyright law. The lawmakers in France apparently decided that the public interest is better served by putting the nightview physical appearance of the Eiffel Tower under the copyright law. In France, if you take a photo of Eiffel Tower at night and post it to the Internet, it's possible that your photo infringes the copyright of the nightview design of the Eiffel Tower. [0]

A better example under the U.S. copyright laws is rasterized fonts in bitmaps and pixmaps, they are not copyrightable, because the fonts are "functional" - it's more of an apparatus/machine for printing texts than a work of art. In the past 200 years, the copyright was never updated to include fonts, likely due to the concern that the lawmakers consider that the rights to the public to use the printing press outweighs the interest of the font authors. However, a digital font, a.k.a the computer program that generates vectorized fonts, is copyrightable as a computer program, but not the pixels it generates. [1]

Another example: a few weeks ago there was a news story about how a volunteer recreated and 3D-printed a ventilator valve and got threatened by the vendor. But if the case is ever brought to a court of law (it's not), the defendant's lawyers may argue that a single physical valve mainly serves as a functional part of the machinery, and by itself, it does not meet the threshold of being a copyrightable work by itself. On the other hand, the original CAD drawing of such a valve is protected under copyright. However, it doesn't stop someone from legally reverse engineering the valve and independently reproducing its CAD drawing, even if the CAD drawing is identical to the original file, you can argue in court that an identical drawing is the only way to express the idea of the valve. Unless the valve has a patent. Unlike copyright, a patent restrict the ideas themselves, not only its expression.

And finally we come back to electronics design. Most aspects of hardware design are not copyrightable, due to the same reason that the layout of integrated circuit wasn't really copyrightable until the 1980s. Back the 1970s, it was possible to produce a chip with the same layout from your competitor. The reason is similar to the font program vs font output: Although the pattern of the layout itself is a piece of artwork thus protected, however, the photomask it produced was generally not copyrightable because it's only an industrial apparatus for producing the chip. Thus, although the artwork layout in itself cannot be copies and redistributed without authorization, but it was legal to produce an identical mask for the chip, thus, it was legal to produce a chip with the same layout straights from your competitor. The only way to prevent others from making an identical chip was patenting the design processes or technology in the chip, however, many chips only use general-purpose technology and process, so it cannot be patented. The lawmakers decided that the U.S. public interest will be better served by allowing the masks to be copyrightable, so the copyright law was modified. [3]

As we see, although many aspects of hardware design can be copyrighted, like a CAD drawing or its physical appearance (as industrial design), however, a lot of other aspects of hardware design was, and still is uncopyrightable due to the same line of reasoning. Ultimately, stopping one from making a functionally identical machinery isn't inside the scope of copyright laws, but patent laws.

Another conclusion is that, while it's good to explicitly release a hardware design under a FOSS license, a FOSS license applied to hardware design is pretty powerless than when it's applied to software. Especially, copylefting hardware itself (You replicated our machines, release the source too) is somewhat impossible.

[0] https://en.wikipedia.org/wiki/Eiffel_Tower#Illumination_copy...

[1] https://en.wikipedia.org/wiki/Eltra_Corp._v._Ringer

[2] https://en.wikipedia.org/wiki/Integrated_circuit_layout_desi...


Is this like how a typeface can't be copyrighted, but curve definitions can be?


I think one could argue that one could accidentally re-create the same PCB without knowing about the "copyrighted" design.

Versus: No one is going to magically re-create peter-pan line for line.


How come the same logic doesn’t apply to any other engineering piece of work?


It does. Even if the patent is granted (overworked patent office and all that), one can defend against a patent troll if the engineering in question is sufficiently obvious to anyone in the industry.


The pre-lithographic masks for chips are copyrighted (prior to algorithmic modifications for sub-wavelength interference features). The schematics for printed circuit boards are copyrighted. (But only to the extent that they were not produced by programs; robots can't author copyrightable work.)

The process for transforming a notional chip mask into one that can be used to actually produce chips on a fabrication device that uses a particular wavelength is going to be covered by multiple patents, unless the chip fab is more than 20 years old, so you can't copy the post-transformation masks, either.

The whole design of the hardware is only patentable, and only to the extent that the patent claims apply to it.

So if you take an entire electronics device, reduce it down to a block/circuit diagram, then use that to create a new schematic, and use the schematic to produce another electronic device with identical function, you have not violated copyright in doing so, nor are the schematics and masks derivative works.

In the case of the book that describes a process of manufacturing, the process part of it is like a recipe. It is only the supplemental prose that is copyrighted. So you would have to strip out the introduction, descriptions of specific applications, etc.

That is why map-makers used to put fake towns or streets on maps, beyond the borders of the area that is purportedly mapped. So on a map of Pennsylvania, they might place a town called "Fakesburg" in the greyed-out part of Delaware that adjoins Pennsylvania (a literal grey area), and put a "Trapsville" in the greyed-out New York, the Pennsylvania portion of the paper being presented as factual, and the margins as copyrightable creativity. But the courts called this out as bullshit, so the mapmakers stopped. Some elements of copyright still exist in mapping, but only to the extent that the map diverges from literal facts. For instance, if the widths of roads are exaggerated, and colors added, for the purposes of making an infographic for a traffic throughput data set, the creative combination of facts could possibly be copyrightable, but little prevents someone else from independently combining the same two sets of facts into an all-new (but similar-looking) infographic.

In the case of hardware, the lowest-level circuit diagram is the factual map of the device. But there are many ways to lay it out in physical reality, as to how many layers to use, where to route the traces, which subunits to place in the blocks, how to label the components with printed text, etc. So you couldn't make a photographically identical copy, but you could make a copy that does exactly the same thing with a redesigned PCB.


This is a great line from a Wired article on hardware copyright and copyleft:

In the US, copyright does not cover the functional aspects that the design describes, but does cover decorative aspects. When one object has decorative aspects and functional aspects, you get into tricky ground (*).

https://www.wired.com/2015/03/richard-stallman-how-to-make-h...


In France that's the same for software. I had not realized that until my lab made me sign a very specific copyright sale contract.

Mathematical formulas are considered unpatentable and uncopyrightable and legally, programs have been recognized to be equivalent to mathematical formulas.

So only the formatting, variable name, decoration of code is the ground for copyright. My understanding is that if you were to run the code through an obfuscator, the result would be free of copyrightable items.

To my despair I never found anyone playful enough to help me explore how solid this reasoning was.


By that argument, running copyrighted code through a compiler would produce a binary that is not copyrighted.


Here's an article discussing that argument http://freesoftwaremagazine.com/articles/what_if_copyright_d...


In France I believe this may very well have been the case. But I would not be surprised if they plugged that hole with recent laws.

Somehow, I believe piracy is prosecuted under counterfeiting laws there.


We got sued in Australia by an American company for using a open-source PCB https://github.com/sparkfun/MaKeyMaKey .

The claims were under trade mark infringement (note SparkFun didn't sue us) and the PCB layout as "deceptively similar".

Thankfully we got our money back on insurance.


The design could be open-sourced while at the same time it could reference trade marks which are the exclusive mark of a particular company.

A classic example of this is CentOS and RHEL. You can fork RHEL all you want, but you cannot put "Red Hat" on your fork.


We were surprised as both the entity that registered the trade marks, and the trade marks themselves were created years after the designs were first open sourced.


Insurance is a tax on everyone, and probably a tax on you specifically.

Even assuming that insurance companies act as naive rationalists believe they do, losses are socialized. In actual fact, insurance companies are able to price discriminate against policy holders likely to cost more than the average cost in the future, especially if likelihood of future losses are as public as court proceedings.


We didn't know that we had insurance that covered this until after the court case. It was a nice surprise.


And they still paid? Thats great, usually the few I've seen say you have to talk to them before legal proceedings otherwise too bad. Could I ask if you had the details of the policy? Who offered it, the name etc? I might be in the market for some soon. tia


Yup, the insurer paid up. I can't go into details, however, in Australia the judge will quite often (and rightly so) send you to mediation beforehand. The ultimate underwriter was Lloyds of London.


Lloyd's of London is a marketplace, not an underwriter.

https://www.lloyds.com/about-lloyds


It's always puzzled me that it's legal to emulate video game hardware (NES, SNES, etc.) but not to copy the games. I guess this is why.


What would emulation by copying? The abstract logic? Emulators aren't hardware copies.


Oh it's a shame to see this domain (openhardware.org) isn't up anymore. Does anyone know what happened? We have been pretty successful in having free/open software, but it seems there's virtually nothing in the free/open hardware space


> Oh it's a shame to see this domain (openhardware.org) isn't up anymore. Does anyone know what happened? but it seems there's virtually nothing in the free/open hardware space

Don't worry, the FOSS hardware scene is alive and well, although not as advanced as software yet.

> Does anyone know what happened?

It appears that the openhardware.org project has been discontinued in favor of other projects of the same nature, such as oshwa.org.


https://www.oshwa.org maybe?

Free in hw is kind of hard, meaning, who pays for physically manufacturing?


Perhaps it would be possible to send the blueprints to a factory to be manufactured? I don't really know.

I think in some ways the same concern exists for software but it's much, much cheaper so you never see it. If you don't want to build the software yourself, you can get a binary that someone has spent compute time to produce, and may be paying money to host and make available to you.

Probably the closest equivalent I can think of is you can pay a small fee to get various Linux distributions on CD or DVD. You are paying for a physical product to be made then.

Ah, if only we had replicators or very good 3D printers...


https://www.deepchip.com/items/0547-01.html

SO... since Synopsys, Inc. does NOT have patents on the hand optimization techniques that every 2nd year engineering student knows how to do with paper and pencil like logic manipulation, truth tables, and Karnaugh maps; and because of the 2014 SCOTUS Alice vs. CLS Bank decision it now means Synopsys can NOT patent logic equation manipulation, truth tables, and Karnaugh maps that are done by computer.

Did you get that?

Again in general EDA terms: because of this recent Alice decision, all those EDA patents based on simply implementing an everyday design or verification technique in software is NOT enough to make it a patentable invention.

This means a great many active EDA SW patents are actually now invalid!

All this because Aart de Geus sent his lawyers on a pre-emptive attack vs. MENT in his EVE acquisition. It's this one particular SNPS lawsuit that opened the doors for Alice vs. CLS Bank to come into EDA. Too funny! :)


A special legal protection was created to address this for chip design.

See also: mask works

https://en.wikipedia.org/wiki/Integrated_circuit_layout_desi...


The title is confusing because they talk about "layout" and "topologies" but it is just actually lithography masks that are protected by this treaty:

> (ii) 'layout-design (topography)' means the three-dimensional disposition, however expressed, of the elements, at least one of which is an active element, and of some or all of the interconnections of an integrated circuit, or such a three-dimensional disposition prepared for an integrated circuit intended for manufacture ...

So if you just express a schematics, with no actual placement, it is not copyrightable.


This becomes more significant when you consider that software binaries (not just source code, actual ones and zeros) are copyrightable. Copyleft licenses like GNU GPL make use of this by requiring distributors of binaries derived from other GPL works to also release the source code of those derived binaries to the public. However, in the hardware world you could take a open PCB design, modify it, and distribute the physical PCBs or use it in your products without having to publicly release the PCB schematics as well.


I have no knowledge of IP law and maybe I misunderstood the article, but how do companies like ARM, who license there designs to other chip companies, protect their designs from being copied? What's stopping the licensee from seeing the "publication" (as per the article) of the design, manufacturing the chip themselves, and not renewing the license/ needing the license in the future?


Turns out it's done by a lot of hard work rather than passively collecting rent:

"Partnerships with large OEMs operate as signals that also generate barriers to imitation. As pointed out by one of our informants: “If a company like Samsung or TI is licensing from us, this means it may be difficult to develop our technology.” Multiple licenses create a psychological barrier to entry. In addition, the IP that is licensed needs to be complemented by ARM’s customer services and considerable expertise"

from p22 of here https://www.ifm.eng.cam.ac.uk/uploads/Research/CTM/working_p...

So I suppose somebody could make an ARM clone but they'd have to actually do it.

An actual licensee would surely be prohibited by the license though.


Couldn’t that just be a stipulation in the contract?


My favorite legal work in trying to address this is the 3DPO license (accompanied by an excellent article describing the issues in more details).

https://jipel.law.nyu.edu/vol-2-no-2-1-greenbaum/


Software is copyrightable but hardware is not? So could you just convert byte code to a schematic of logic gates and be able to share it freely?


Fpga?




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