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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RE: Comment by static666
by petete on Fri 15th Jul 2011 22:31 UTC in reply to "Comment by static666"
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I wouldn't be so sure. All of those codecs can be attacked by submarine patents. There is no guarantee that Vorbis, Speex, Theora, VP8 are patent-free.

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