How to determine when a patent expires.

Best summary I’ve come across yet:  Brown & Michaels–How do I figure out if a patent is still in force?

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  1. Calculating When A Patent Expires…
  2. Slick sliding animation for helping you determine if a copyrighted work is in the public domain

One Response to How to determine when a patent expires.
  1. Mike Brown
    September 5, 2006 | 7:19 am

    Thank you!