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Do “Secret Sales” Trigger the On-Sale Bar to Patentability under the America Invents Act?

Published Jan 25, 2019Updated Jun 21, 2025

The Congressional Research Service is a nonpartisan policy and legal analysis arm of the Library of Congress. CRS reports are written for members of Congress and their staff, not the public — but they’re made available openly through Congress.gov.

Do “Secret Sales” Trigger the On-Sale Bar to Patentability under the America Invents Act? — Informed