Linked by jrincayc on Fri 15th Jul 2011 17:14 UTC
Legal Patent term calculation is complicated in the US because there are essentially two different systems and quite a few corner cases. Even with a list of patents, it can be tricky to determine when the patents are all expired. Since I am a computer programmer (and not a lawyer), I created a program to try and automate this. This paper discusses how patent term calculation works, and some results from a combination of hand and automatic term calculation for MP3, MPEG-2 and H.264.
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European patents
by jtinz on Sat 16th Jul 2011 09:50 UTC
jtinz
Member since:
2006-02-06

So far, I've only skimmed the article and it looks like only US patents are covered. That's a bit strange as the mp3 format was developed in Germany. Furthermore, Sisvel manages supposedly relevant European patents that are not part of any patent pool and is extremely aggressive about it.

Reply Score: 2

RE: European patents
by jrincayc on Sun 17th Jul 2011 15:10 in reply to "European patents"
jrincayc Member since:
2007-07-24

I would love for someone to do the same thing for the European patents (and Japanese ...), but as for me, it took enough time just to do the US patents. I think I have spent around a 100 hours figuring out the patent law, fiddling with the patent information grabbing code, getting the patents in a usable form, and writing the article. (This doesn't count the time I spent writing the previous version before people on Wikipedia told me I needed fix my previous versions because I failed to take into account continuations and divisions http://en.wikipedia.org/wiki/Talk:MPEG-2#Patents )

Reply Parent Score: 1