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Is infringement possible for an expired patent?

  • Writer: Boolean IP Team
    Boolean IP Team
  • Feb 7, 2018
  • 1 min read

Even if a patent is expired, the patent owner has six years from the expiration date to file a lawsuit in order to collect monetary damages for past infringement before the expiration date. Also, note that the claims of a patent can be invalidated by federal courts and/or the USPTO prior to their expiration, but not afterwards.


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