Analysis

Drive Shaft Ruling May Expand Challenges To Patent Eligibility

Law360 (October 24, 2019, 9:18 PM EDT) -- A Federal Circuit ruling that a car drive shaft patent is ineligible for claiming a law of nature could, despite denunciations from a judge and a member of Congress, spur more patent eligibility challenges in technology areas where they have so far been rare, attorneys say.

In a 2-1 ruling earlier this month, the appeals court affirmed a decision that American Axle & Manufacturing Inc.'s patent on a method of reducing vibrations in automobile drive shafts covers no more than a law of physics governing the rate at which an object vibrates.

The decision could suggest to defendants that mechanical inventions...

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