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Have the patents for VC-1 expired yet?

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NO! ☹️ (in Brazil, China, Taiwan and US)
YES! 😍 (elsewhere)

Most patents already expired, but some are still active somewhere:

  • last patent in Brazil, BR PI0205988-6, will expire on 2027-01-17;
  • last patent in China, CN 101099388, will expire on 2025-12-13;
  • last patent in the US, US 9071847, will expire on 2033-01-09.

For historical reference:

  • last patent in Europe, EP 1549064, expired on 2024-11-08;
  • last patent in Japan, JP 4928726, expired on 2024-11-12.

The patent list managed by Via Licensing Alliance is available at: https://www.via-la.com/licensing-2/vc-1/vc-1-patent-list/

This is about VC-1. For H.264 or AVC see Have the patents for H.264 MPEG-4 AVC expired yet?