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
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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.

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