US PTAB IP Litigation

Kohler Co. v.Delta Faucet Company et al.

Delta Faucet’s patent on an illuminated faucet system survives the PTAB’s review, with the Board affirming the patentability of claims 10 and 19 over the cited prior art. The Patent Owner’s response urges the Director to deny Kohler’s request for review, emphasizing the conclusory nature of Kohler’s expert testimony.

Kohler Co. v.Delta Faucet Company et al.

Kohler’s IPR against Delta Faucet’s illuminated faucet patent continues after the Director issued a new claim construction. The patent owner argues the Board’s findings should stand and that the Director’s action violates the APA.

Kohler Co. v.Delta Faucet Company et al.

Kohler seeks reversal of the Board’s non‑obviousness rulings after a Director Review found that Tseng teaches side‑emitting light and Tse teaches translucent material, arguing that multiple claims of the Delta Faucet patent are obvious.

Kohler Co. v.Delta Faucet Company et al.

The PTAB issued an order extending by 30 days the deadline to issue a decision on remand in the IPR between Kohler and Delta Faucet over U.S. Patent 10,393,363. The extension is justified by the volume of grounds and claims raised in the parties' briefs.

Kohler Co. v.Delta Faucet Company et al.

Kohler Co. has filed a Director Review request challenging the PTAB’s final decision that upheld the validity of claims 10 and 19 of its illuminated fixture patent. The petition alleges factual errors and ignored expert admissions, seeking reversal of the Board’s findings.

patent terminated or settled · Mar 25, 2024

Vicor Corporation v.Delta Electronics, Inc.

· IPR2024-00706

Vicor Corporation filed a Director Review request after the PTAB denied its institution petition for IPR2024-00706, challenging the Board’s handling of expert testimony. The email urges the Director to institute the case and defer factual findings to trial.

Vicor Corporation v.Delta Electronics, Inc.

Vicor and Delta Electronics have settled their dispute over U.S. Patent 9,819,263 and jointly moved to terminate the inter partes review. The motion cites 35 U.S.C. §317 and emphasizes that no merits have been decided.

Vicor Corporation v.Delta Electronics, Inc.

· IPR2024-00715

The PTAB denied Vicor Corporation’s request for Director review of the institution decisions in IPR2024-00706 and IPR2024-00715, leaving the earlier institution denial in place.

Vicor Corporation v.Delta Electronics, Inc.

patent terminated or settled · Mar 25, 2024

Vicor and Delta Electronics filed a joint request to keep their IPR settlement agreement confidential under federal statutes.

Vicor Corporation v.Delta Electronics, Inc.

patent terminated or settled · Mar 25, 2024

Vicor and Delta Electronics jointly moved to terminate IPR2024-00705 after reaching a settlement. The Board granted the motion, treating the settlement agreement as confidential business information.

Intersect ENT, Inc. et al. v.New Amsterdam, LLC

· IPR2024-00713

Intersect ENT and New Amsterdam have filed a joint motion to terminate IPR2024-00713 concerning U.S. Patent 6,916,483. The motion seeks to end the proceeding, likely reflecting a settlement between the parties.

MediaTek Inc. et al. v.MOSAID Technologies Inc.:

· IPR2024-00719

MediaTek challenges MOSAID's patent (7945885) in a PTAB petition, asserting obviousness over combinations of Nowka/Borkar and Nicol/Borkar. The petitioner argues that the combination of prior art references provides clear motivation to combine elements for advanced power management features in SoCs.

MediaTek Inc. et al. v.MOSAID Technologies Inc.:

· IPR2024-00718

MediaTek Inc. initiated this Petition challenging the patentability of MOSAID Technologies Inc.'s claims related to Power Management/DVFS technology. The petitioner asserts multiple grounds of obviousness (Section 103) based on combinations of prior art references like Nowka, Borkar, Nicol, and Iyengar.

Vicor Corporation v.Delta Electronics, Inc.

· IPR2024-00715

Vicor Corporation filed a Petition challenging key claims of Delta Electronics' patent (US 10,877,534), asserting grounds of anticipation and obviousness. The challenger argues that the claimed power supply apparatus is rendered unpatentable by various combinations of prior art references in DC-DC Converters technology.

Intersect ENT, Inc. et al. v.New Amsterdam, LLC

· IPR2024-00713

Intersect ENT, Inc. filed a Petition challenging all 20 claims of Medtronic's '483 Patent based on obviousness (103). The Petitioner argues that combinations of prior art references—including Watson and Schwartz—render the implantable drug delivery device unpatentable.

Vicor Corporation v.Delta Electronics, Inc.

· IPR2024-00706

Vicor Corporation successfully petitioned the PTAB to challenge Delta Electronics' patent (US 10,877,534), leading to institution. The petition asserted multiple grounds of anticipation and obviousness based on combinations of prior art references like Vinciarelli-218, Zeng-014, Park, and Jun.

Vicor Corporation v.Delta Electronics, Inc.

Vicor Corporation challenged Delta Electronics' '263 Patent in an IPR petition, asserting that claims 1-6 are anticipated (102) and obvious (103). The petitioner relies heavily on multiple combinations of prior art references, including Vinciarelli and Zeng patents, to demonstrate unpatentability.

Vicor Corporation v.Delta Electronics, Inc.

· IPR2024-00704

Vicor Corporation challenged Delta Electronics' patent (8711580) in the PTAB, arguing that the resonant converter technology is obvious based on prior art publications. The petitioner successfully secured institution under §325(d) and §314(a), advancing its challenge to the Patent Owner.

Kohler Co. v.Delta Faucet Company et al.

Kohler Co. challenged Delta Faucet Company's patent via IPR, arguing that the claims are obvious over various combinations of prior art references like Tseng and Tse. The petitioner presented multiple grounds based on 103, targeting nearly all claims in the patent.

MediaTek Inc. et al. v.MOSAID Technologies Inc.:

· IPR2024-00719

MediaTek Inc. successfully petitioned to institute an IPR against MOSAID Technologies Inc.'s patent, challenging all 64 claims based on obviousness (103). The Board found that MediaTek demonstrated a reasonable likelihood of prevailing by combining prior art references Nowka and Borkar in the field of integrated circuit power management.

MediaTek Inc. et al. v.MOSAID Technologies Inc.:

· IPR2024-00718

The PTAB denied MediaTek's IPR challenge against MOSAID regarding power management technology. Despite a dissenting judge arguing for reasonable likelihood based on Nowka and Borkar, the Board found Petitioner failed to demonstrate sufficient motivation or intrinsic support for its obviousness theories.

Vicor Corporation v.Delta Electronics, Inc.

· IPR2024-00715

Vicor Corporation's IPR petition against Delta Electronics was denied by the PTAB, finding no reasonable likelihood of prevailing on grounds of anticipation or obviousness. The Board cited insufficient support for combining prior art references and noted that the petitioner employed impermissible hindsight.

Vicor Corporation v.Delta Electronics, Inc.

The PTAB institution decision for IPR2024-00705 found reasonable likelihood of success on claims 1-6, despite disputes over claim construction. The Petitioner argued that the combination of prior art references anticipated or rendered the patent obvious in the field of Power Converters/Circuit Boards.