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Fed. Circ. Affirms On-Sale Bar Ax Of Car Software Patent

By Ryan Davis ( April 14, 2026, 5:53 PM EDT) -- The Federal Circuit on Tuesday upheld a decision invalidating a patent on modifying vehicle engine software because the invention was on sale before the patent was sought, siding with auto equipment maker Powerteq LLC and rejecting an argument that the ruling was based on hearsay....

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