US PTAB IP Litigation

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

The USPTO denied Micron Technology’s request for Director Review of the Final Written Decision in IPR2024-00790, leaving the prior decision on patent 10,868,031 intact.

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

Micron has requested a Director Review of the IPR decision against Yangtze Memory Technologies. The Patent Owner has five business days to file a concise response limited to the issues raised, with no new evidence allowed.

CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.

patent all challenged claims upheld · Apr 18, 2024

InfoExpress defends its NAC patent against Cisco and Fortinet’s Director Review request, asserting the Board already properly evaluated all evidence and that the challengers’ new arguments are untimely. The patent owner seeks denial of the request.

CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.

InfoExpress successfully defended its NAC patent against Cisco and Fortinet’s Director Review request, with the PTAB upholding all challenged claims. The Board found the antedating evidence properly presented and rejected the petitioners’ untimely arguments.

CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.

Cisco and Fortinet have filed a Director Review request challenging the PTAB's final decision in IPR2024-00679, alleging procedural abuse due to the patent owner's improper incorporation of evidence by reference. They argue the Board should vacate and remand the decision.

CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.

Cisco and Fortinet have filed a Request for Director Review seeking to vacate the PTAB's final written decision on the ’484 patent. They allege the Board improperly allowed the patent owner to incorporate arguments by reference, violating USPTO rules and breaching the burden of conception and diligence.

CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.

The USPTO denied Cisco’s request for Director Review of the final written decisions in multiple IPRs, including the case involving patent 7,523,484. The denial leaves the patent owner’s rights intact.

CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.

The USPTO denied Cisco’s request for Director Review of the Final Written Decision in IPR2024-00679, maintaining the Board’s original ruling against InfoExpress’s patent.

Valeo SE et al. v.Foras Technologies Limited

· IPR2024-00823

Valeo SE et al. filed a Petition challenging claims of Foras Technologies Limited's patent (7502958) on grounds of obviousness and anticipation. The petitioners argue that the claimed fault-tolerant processor architecture is rendered obvious by combining Bigbee and Nguyen prior art references.

Pharaoh Energy Services, LLC v.Flex-Chem Holding Company, LLC et al.

· IPR2024-00822

Pharaoh Energy Services, LLC initiated an IPR challenging claims of Flex-Chem Holding Company, LLC regarding well stimulation and remediation. The petitioner asserts that the claims are unpatentable under 35 U.S.C. § 102 (anticipation) over Ayers and obvious (§ 103) when combining Ayers with Frenier.

Abbott Diabetes Care Inc. et al. v.DexCom, Inc.

· IPR2024-00797

Abbott challenges DexCom's CGM patent (US 10375222) in an IPR, asserting that the claims are obvious over multiple prior art combinations. The petition was instituted by the Board after finding compelling evidence of unpatentability.

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

Micron Technology filed a Petition challenging the validity of Yangtze Memory Technologies' '031 Patent, arguing that key claims are obvious over prior art references Kim and Tessariol. The petition focuses on 3D NAND memory structures, specifically multi-stack staircase designs and etch profiles. Micron asserts that the combination of teachings from these references renders the claimed features predictable and non-novel.

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

· IPR2024-00789

Micron Technology petitioned to invalidate Yangtze Memory Technologies' patent 10861872, arguing the claims are obvious over prior art references Park and Tessariol. The PTAB granted institution based on a reasonable likelihood of success, despite ongoing district court litigation.

CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.

CISCO and FORTINET filed a Petition challenging 18 claims of InfoExpress's U.S. Patent No. 7,523,484 in the PTAB. The petitioners argue that the network access methods are obvious under 35 U.S.C. § 103 based on prior art references Krantz and Herrmann. This challenge is part of ongoing litigation against InfoExpress in District Court.

CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.

CISCO SYSTEMS challenges InfoExpress's 7523484 Patent in an IPR, asserting that the network security claims are obvious under 35 U.S.C. § 103. The petitioner argues that prior art references (Krantz and Herrmann) disclose nearly identical architecture to the patented invention, making the claims unpatentable.

Pharaoh Energy Services, LLC v.Flex-Chem Holding Company, LLC et al.

· IPR2024-00822

The PTAB denied the petition to challenge claims in a well remediation patent, finding that the petitioner failed to demonstrate sufficient novelty or obviousness against prior art references. The Board relied heavily on the proximity of parallel district court litigation when applying Fintiv factors for discretionary denial.

Abbott Diabetes Care Inc. et al. v.DexCom, Inc.

· IPR2024-00797

Abbott Diabetes Care challenged DexCom's CGM patents in an IPR, arguing the claims are obvious over prior art combining Yarger and Love. The Board granted institution after claim construction, finding a reasonable likelihood of unpatentability for at least one claim.

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

· IPR2024-00789

Micron Technology successfully challenged Yangtze Memory Technologies' patent claims in a PTAB institution decision. The Board adopted a narrow construction of 'dummy source structure,' finding that the Petitioner met its burden for obviousness over Tessariol and Park. This paves the way for further litigation against the patent owner.

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

Micron Technology successfully challenged Yangtze Memory Technologies' patent claims in a PTAB Institution Decision regarding obviousness over Kim and Tessariol. The Board adopted the Petitioner's definition of 'surrounding' as 'encircling,' finding a reasonable likelihood that Micron will prevail against the patent.

CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.

Cisco and Fortinet successfully challenged InfoExpress's patent on obviousness grounds in the PTAB. The Board found a reasonable likelihood of prevailing, leading to institution on all 18 asserted claims.

CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.

patent Final Written Decision · Apr 18, 2024

CISCO SYSTEMS and FORTINET successfully convinced the PTAB to institute review against InfoExpress Inc.'s patent, finding a reasonable likelihood of prevailing on multiple claims. The Board adopted a specific claim construction regarding device reconfiguration while accepting the petitioner's obviousness arguments over Krantz and Herrmann.

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.