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THE GO-TO FIRM FOR DEFENDANTS IN PATENT LITIGATION
Patent Defenses is a unique legal research tool for businesses and individuals to find information about possible defenses to utility patent infringement claims under U.S. law. It is shared with the patent community in the Klarquist spirit of teamwork, integrity, excellence, and generosity.
The search bar can be used to search Patent Defenses for a keyword or phrase. For example, search “double patenting,” “exhaustion,” or “Princo” (or other case name).
3 Ways to Use Patent Defenses
Patent Defenses is a research tool maintained by Klarquist since 2004. Visit klarquist.com to learn more about us.
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