US PTAB IP Litigation
2,587 annotated decisions
Page 23 of 108 · 2,587 total
Samsung Display Co., Ltd. et al. v.Pictiva Displays International Ltd. et al.
Samsung Display Co., Ltd. has filed an Inter Partes Review challenging U.S. Patent No. 6,949,389 related to OLED encapsulation technology. The petitioner asserts that the challenged claims are obvious over various combinations of prior art references involving selective deposition and barrier layer methods.
Samsung Display Co., Ltd. et al. v.Pictiva Displays International Ltd. et al.
Samsung Display challenges a patent related to OLED encapsulation claims based on obviousness (103). The petitioner asserts that combining known prior art references—such as Kijima and Suzuki—renders the claimed methods obvious to a Person Having Ordinary Skill in the Art. This petition targets 11 specific claims across four grounds.
LENOVO (UNITED STATES) INC. et al. v.Intellectual Ventures I LLC
Lenovo challenged claims related to cyclic advancement in OFDM systems, arguing that the claimed novelty is obvious under 35 U.S.C. § 103. The petitioner asserts that 'cyclic advancement' is merely a predictable equivalent of known techniques found in prior art references like Dammann and Hervin.
LENOVO (UNITED STATES) INC. et al. v.Intellectual Ventures I LLC et al.
Lenovo challenged the validity of a University of Rochester patent related to multiple clock domain microprocessors. The petitioner argues that the claimed features are obvious over various combinations of prior art references, including Shenai and Georgiou.
LENOVO (UNITED STATES) INC. et al. v.Intellectual Ventures II
Lenovo has filed an IPR petition challenging Intellectual Ventures II's patent claims related to DDR SDRAM timing calibration and memory controllers. The petitioner argues that the claimed inventions are obvious under 35 U.S.C. § 103, relying on combinations of prior art references Johnson, Jeddeloh, and Keeth. This challenges the validity of a key patent in the semiconductor technology space.
CommScope Technologies LLC et al. v.Belden Canada ULC et al.
CommScope and others challenged Belden Canada ULC's patent on modular fiber optic cassette systems, arguing the claims are anticipated or obvious over prior art references like Fukui, Sedor, and Sauter. The petitioner focuses heavily on how these existing designs meet specific structural limitations of the patented technology.
CommScope Technologies LLC et al. v.Belden Canada ULC et al.
CommScope Technologies LLC filed an IPR petition challenging 49 claims related to modular cassette systems used in fiber optics. The petitioner argues that the challenged claims are anticipated or rendered obvious by prior art combinations involving Fukui, Sedor, and Sauter.
POSCO Future M Co., Ltd. v.CAMX Power LLC
POSCO Future M Co., Ltd. has filed a Petition challenging TIAX LLC's patent covering lithium-ion battery cathode materials. The petitioner asserts that the claims are anticipated by Lampe-Onnerud and Takagi, or rendered obvious in view of prior art combinations like Park/Lampe-Onnerud.
Thermaltake Technology Co., Ltd. et al. v.Chen, Chien-Hao et al.
Thermaltake Technology Co., Ltd. has filed an IPR petition challenging Claims 1-5 of the '336 Patent. The petition asserts that these claims are obvious under 35 U.S.C. § 103, relying on combinations of various prior art references related to illumination fan assemblies.
Charter Communications, Inc. et al. v.Touchstream Technologies, Inc.
Charter Communications initiated an IPR challenging Touchstream Technologies' patent on media playback systems, arguing the claims are obvious under 35 U.S.C. § 103. The challenge centers on combining prior art references like Danciu and Mahajan to show predictable results in command translation.
Charter Communications, Inc. et al. v.Touchstream Technologies, Inc.
Charter Communications filed an IPR petition challenging 20 claims of Touchstream Technologies' '751 Patent, asserting obviousness under 35 U.S.C. § 103. The petitioner argues that combinations of prior art references (Danciu/Mahajan/Calvert and Aldrey/Mahajan) teach all elements of the claimed media playback features. This challenges the validity of key patents in the wireless communications space.
Dyson Technology Limited et al. v.Omachron Intellectual Property Inc. et al.
Dyson Technology Limited has filed an IPR Petition challenging 13 claims of a patent covering cyclonic separation and filtration systems. The petition argues that the claimed vacuum cleaner features are obvious under 35 U.S.C. § 103, relying on combinations of prior art references. This challenge targets core technology in the high-end cleaning appliance market.
Hugging Face, Inc. v.FriendliAI Inc.
Hugging Face, Inc. initiated an IPR challenge against FriendliAI Inc., arguing that the challenged claims related to Transformer inference optimization are obvious.
Pascal Technologies v.Cambridge Enterprise Limited et al.
Pascal Technologies has initiated an IPR challenging the patentability of barocaloric cooling and heating agents held by Cambridge Enterprise Limited et al. The petition asserts that the challenged claims are obvious over various combinations of prior art, including Xie, Mañosa, and Patel.
Silicon Motion Inc. et al. v.K.Mizra Inc.
Silicon Motion Inc. has filed an IPR petition challenging 22 claims of U.S. Patent No. 10,331,379 held by K.Mizra LLC. The core challenge asserts that the claimed DRAM controller features are obvious over various combinations of prior art references, including LaBerge and Bowater.
Arista Networks, Inc. v.Orckit Corporation
Arista Networks has filed a petition challenging U.S. Patent No. 7,545,740 held by Orckit Corporation, asserting obviousness under 35 U.S.C. § 103. The petitioner argues that the claimed bi-directional link aggregation and hash-based selection mechanisms were already known in prior art references like Bruckman, Basso, and Holdsworth. This challenge targets core networking technology used for load balancing.
Arista Networks, Inc. v.Orckit Corporation
Arista Networks has filed an IPR petition challenging Orckit Corporation's patent (8,830,821) on grounds of obviousness (§103). The challenge centers on the combination of Doshi’s MPLS path selection with reoptimization techniques from prior art like Guichard and Huang.
Arista Networks, Inc. v.Orckit Corporation
Arista Networks challenges Orckit Corporation's patent (10652111) in an IPR, asserting that the claimed Deep Packet Inspection functionality within a Software Defined Networking controller is obvious.
Silicon Motion Inc. et al. v.K. Mizra LLC
Silicon Motion Inc. has filed an Inter Partes Review petition challenging K. Mizra LLC's patent covering digital signal processing and calibration methods. The petitioner argues that the claimed technology is obvious under 35 U.S.C. § 103, relying on a combination of multiple prior art references.
Silicon Motion Inc. et al. v.K. Mizra LLC
Silicon Motion Inc. challenges K. Mizra LLC's '608 Patent in an IPR proceeding regarding DDR DRAM memory controllers and timing calibration. The petitioner asserts that the patent claims are obvious over combinations of prior art references like Johnson, Stubbs, Moss, and Liou.
TCL Electronics Holdings Ltd. et al. v.Intellectual Ventures I LLC
TCL Electronics Holdings Ltd. has filed a petition challenging Intellectual Ventures I LLC's wireless communication patent (7623439) on grounds of obviousness. The challenge centers on whether a minor modification to OFDM cyclic delay diversity is inventive over existing prior art standards.
TCL Electronics Holdings Ltd. et al. v.Intellectual Ventures I LLC
TCL Electronics Holdings Ltd. has filed an Inter Partes Review petition challenging several claims related to Globally Asynchronous Locally Synchronous (GALS) clocking and Dynamic Voltage Scaling (DVS). The Petition asserts multiple grounds of obviousness, arguing that various combinations of prior art references render the claimed microprocessor architectures predictable.
Samsung Electronics America, Inc. et al. v.Collision Communications, Inc.
Samsung petitions to invalidate Collision's '071 patent, arguing that its Multi-user Detection improvements are obvious under 35 U.S.C. § 103. Petitioners assert that prior art references (Jin, Baum, Tsai) combine known techniques in MIMO systems to render the claimed features non-inventive.
Samsung Electronics America, Inc. et al. v.Collision Communications, Inc.
Petitioners challenge 18 claims of U.S. Patent No. 8089946, arguing they are obvious over prior art references like Walton and Learned. The central argument is that supporting legacy protocol modes in multi-user environments was a well-known concept in the field of wireless communications.