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New USPTO Memo Makes Fighting Patent Trolls Even Harder

by Joe Mullin eff.org published 2025-03-213 min read

The U.S. Patent and Trademark Office (USPTO) just made a move that will protect bad patents at the expense of everyone else. In a memo released February 28, the USPTO further restricted access to inter partes review, or IPR—the process Congress created to let the public challenge invalid patents...

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