Niazi Licensing Corp. v. St. Jude Medical S.C., Inc., No. 21-1864 (Fed. Cir. 2022)Annotate this Case
Congestive heart failure can be treated by resynchronization therapy, using electrical pacing leads to help keep the two sides of the heart contracting with regularity and in sync. According to Niazi's 268 patent, physicians previously accomplished resynchronization by inserting a catheter into the coronary sinus and its branch veins to place pacing leads on the hearts of patients; it can be “difficult to pass a lead” into the coronary sinus and its branch veins using a catheter. The 268 patent describes a double catheter, comprising an outer and inner catheter, for cannulating the coronary sinus “without significant manipulation.” Niazi sued for patent infringement, accusing combinations of St. Jude’s products of directly infringing the 268 patent and accusing St. Jude of inducing infringement.
The Federal Circuit reversed the district court’s determination that all but one of the asserted patent claims are invalid as indefinite; when read in light of the intrinsic evidence, a person of ordinary skill in the art would understand the scope of the claims with reasonable certainty. Niazi failed to prove direct infringement—a necessary element of Niazi’s inducement claim. The court affirmed the entry of monetary sanctions and the exclusion of portions of Niazi’s technical expert and damages expert reports because Niazi failed to disclose predicate facts during discovery. The court upheld the exclusion of portions of Niazi’s damages expert report as unreliable.