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The Upside-Down Inequitable Conduct Defense, Tun-Jen Chiang
The Upside-Down Inequitable Conduct Defense, Tun-Jen Chiang
Northwestern University Law Review
“Inequitable conduct” is a patent law doctrine that renders a patent unenforceable when the patentee is found to have acted improperly before the U.S. Patent and Trademark Office. It is widely reviled and frequently criticized for being draconian: the Federal Circuit has famously called the doctrine an “absolute plague” that terrorizes patent owners. Responding to the concern about overdeterrence, the Federal Circuit has repeatedly narrowed the doctrine.
This Article takes a different perspective. The conventional wisdom is correct enough in arguing that the inequitable conduct doctrine sometimes produces overdeterrence. What has been overlooked, however, is the fact that the doctrine …