As discussed in a recent post, On May 21, 2024, the Federal Circuit issued its en banc decision in LKQ Corp. v. GM Global Tech. Operations LLC, significantly impacting design patent law. The court overturned the long-standing Rosen–Durling test, a two-part test used to assess the obviousness of design patents. This decision is expected to have far-reaching implications for patent practitioners and clients alike.Continue Reading Federal Circuit Abandons Rosen-Durling Test for Design Patent Obviousness









A little more than a month after the Delaware district court narrowly interpreted the IPR estoppel provision to suggest that it may not be necessary to include all known grounds so as to avoid estoppel in district court litigation, the same court issued a decision suggesting that the IPR estoppel provision may not be so narrow after all. The decision adds to the growing confusion over the scope of the estoppel provision Congress wrote into the AIA.