In the underlying District of Delaware case, Pentair Südmo alleged that double seat valve products from SPX Corporation and SPX Flow Technology Systems, Inc. infringed Pentair Südmo’s US Patent No. 7,891,376, entitled “Double Seat Valve For Separating Media.” The district court litigation was stayed pending the USPTO’s reexamination of the ‘376 patent. The USPTO initially rejected 53 claims in the Pentair Südmo patent, but the PTAB reversed the Examiner on 52 of the 53 disputed claims. On April 8, the U.S. Court of Appeals for the Federal Circuit affirmed the PTAB. Pentair Südmo will now resume its infringement claims against SPX in the District of Delaware.
The Pentair Südmo appeal team included Wesley W. Whitmyer, Jr., Michael A. Lavine and Michael J. Kosma.
WHIPgroup obtained another patent allowance using the After Final Consideration Pilot (AFCP) Program. In U.S. Application No. 15/239,469 directed to an eccentric well pipe, a Final Office Action rejected pending claims for obviousness. WHIPgroup attorneys [Read More…]
WHIPgroup attorneys were successful in using the Pre-Appeal Brief Review program to overcome a final rejection. During prosecution, the USPTO rejected claims directed to a method for actively damping oscillations in a compression process as [Read More…]
By Patrick D. Duplessis In a petition filed this month with the U.S. Supreme Court, patent owner Cave Consulting Group (CCGroup) draws attention to a persistent split at the Federal Circuit concerning foundational claim construction [Read More…]