US PTAB Patent Cases
8,574 decisions indexed
Page 249 of 286 · 8,574 total
Charter Communications, Inc. et al. v.Adaptive Spectrum and Signal Alignment, Inc.
The PTAB denied Charter Communications' request to institute IPR against Adaptive Spectrum regarding patent 10848398. The denial was based on the proximity of a related district court trial date and the perceived lack of strong merits.
T-Mobile USA, Inc. et al. v.Aspen Networks, Inc.
T-Mobile USA's IPR challenge against Aspen Networks regarding VoIP network routing claims was denied by the PTAB. The Board found that the petitioner failed to demonstrate a reasonable likelihood of success on its obviousness grounds, specifically concerning how SIP signaling sequences are maintained across network handoffs.
Innoscience America, Inc. et al. v.Infineon Technologies Americas Corp.
The PTAB denied Innoscience America's petition to institute IPR against Infineon Technologies regarding patent 9070755. The Board found that factors favoring discretionary denial, such as overlap with a parallel ITC investigation, outweighed arguments for institution.
Runergy Alabama Inc et al. v.Trina Solar Co. Ltd.
The PTAB has issued an Institution Decision for IPR2025-00007, finding that the Petitioner demonstrated a reasonable likelihood of prevailing on at least one challenged claim. The case involves obviousness challenges (103) against Trina Solar's solar cell patent using combinations of prior art from Jin, Feldmann, Chang, Seo, and Watabe.
Runergy Alabama Inc et al. v.Trina Solar Co. Ltd.
The PTAB institution decision granted the petitioner a reasonable likelihood of prevailing on all challenged claims related to solar cell technology. The grounds for obviousness centered on combining prior art references like Jin and Feldmann to achieve predictable improvements in TOPCon structure efficiency.
Solus Advanced Materials Co., Ltd. et al. v.SK nexilis Co., Ltd.
The PTAB denied the IPR petition against claims 1-4 of U.S. Patent No. 9,457,541, finding that the combination of prior art references did not render the copper foil obvious. The Board ruled that the petitioner failed to demonstrate a reasonable expectation of success when combining properties from materially different sources.
Solus Advanced Materials Co., Ltd. et al. v.SK nexilis Co., Ltd.
Solus Advanced Materials Co. lost its request for rehearing after the PTAB denied institution of IPR against SK nexilis regarding copper foil patents.
Solus Advanced Materials Co., Ltd. et al. v.SK nexilis Co., Ltd.
Solus Advanced Materials Co., Ltd.'s request for rehearing was denied by the PTAB, upholding the initial decision to deny institution of IPR against SK nexilis's copper foil patent.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
Samsung Electronics successfully secured institution in this IPR, challenging all 20 claims of Netlist's patent (11880319) based on obviousness and anticipation. The Board found that the Petitioner demonstrated a reasonable likelihood of unpatentability over various combinations of prior art, including Hazelzet, JEDEC, Buchmann, Wang, and Kim. This decision sets a strong precedent for challenging memory module initialization claims using industry standards and technical literature.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB institution decision found that Samsung Electronics demonstrated a reasonable likelihood of prevailing on its IPR challenge against Netlist, Inc.'s memory module patents. The Board determined the Office erred in its prior evaluation and applied collateral estoppel to support the petitioner's obviousness arguments over Hazelzet and Buchmann.
Amazon.com, Inc. et al. v.Nokia Technologies Oy
Amazon successfully secured institution at the PTAB for its IPR challenge against Nokia's data analytics patent (8996693). The Board granted institution based on a reasonable likelihood of unpatentability, focusing heavily on preliminary claim constructions.
Integrated DNA Technologies, Inc. et al. v.Tecan Group AG
The PTAB granted institution for an IPR challenging claims 1-16 of a nucleic acid analysis patent, finding reasonable likelihood of success. The Board rejected the Patent Owner's motion to deny based on prior art similarity, allowing the technical merits of anticipation and obviousness over Kivioja and Bielas to proceed to trial.
Amazon.com, Inc. et al. v.Nokia Technologies Oy
Amazon successfully secured institution at the PTAB against Nokia's video encoding patent (9571833). The Board found a reasonable likelihood of prevailing on multiple obviousness grounds, particularly those combining Rusert and Zheng.
Integrated DNA Technologies, Inc. et al. v.Tecan Group AG
The PTAB instituted the IPR, finding a reasonable likelihood of unpatentability based on obviousness over Iafrate and Kivioja for key NGS claims. The Board also provided definitive claim constructions for 'indexing site' and 'identifier site.'
Amazon.com, Inc. et al. v.Nokia Technologies Oy
Amazon successfully convinced the PTAB to institute IPR proceedings against Nokia regarding video compression methods. The Board found a reasonable likelihood of prevailing on grounds of obviousness (103) and anticipation (102).
Integrated DNA Technologies, Inc. et al. v.Tecan Group AG
Integrated DNA Technologies challenged Tecan Genomics's NGS patent (9546399) on grounds of anticipation and obviousness over prior art references Iafrate and Kivioja. The PTAB instituted the IPR, finding a reasonable likelihood that at least one claim is unpatentable under 35 U.S.C. § 103 over Iafrate and Kivioja.
Trove Brands, LLC v.CamelBak Products, LLC
Trove Brands' IPR challenge against CamelBak Products regarding a drinkware patent was denied by the PTAB. The Board found that the Petitioner failed to establish a reasonable likelihood of prevailing on any ground, despite arguments concerning functional equivalence in user release mechanisms over prior art like Kiyota and Ribarits.
Samsung Electronics America, Inc. et al. v.Collision Communications, Inc.
Samsung Electronics America, Inc. faced denial in an IPR proceeding against Collision Communications, Inc., regarding wireless communication patents. The Board found no reasonable likelihood that Samsung could overcome the obviousness challenges under 35 U.S.C. § 103.
Dr. Squatch, LLC v.The Procter & Gamble Company
Dr. Squatch successfully petitioned the PTAB to challenge The Procter & Gamble Company's deodorant patent (11844752). The Board granted institution on all 19 claims, finding sufficient evidence of obviousness over various prior art combinations. This sets up a major trial regarding the validity of P&G’s core cosmetic technology.
Cooler Master Co., Ltd. v.Asetek Danmark A/S et al.
Cooler Master Co., Ltd.'s IPR petition against Asetek Danmark A/S was denied by the PTAB, failing to meet the reasonable likelihood of prevailing standard. The Board found insufficient evidence that the claimed liquid-cooling systems were obvious over prior art references like Duan and Shin.
Western Digital Technologies, Inc. et al. v.Godo Kaisha IP Bridge 1
Western Digital Technologies successfully convinced the PTAB to institute review on 16 claims against Godo Kaisha IP Bridge 1's patent (11968909). The Board found sufficient support for obviousness over Bowen and Soukup, particularly regarding Claim 5.
Western Digital Technologies, Inc. et al. v.Godo Kaisha IP Bridge 1
Western Digital Technologies successfully convinced the PTAB that its claims against Godo Kaisha IP Bridge 1 were non-obvious, leading to the institution of trial on all claims. The Board found a reasonable likelihood of prevailing on Claim 1 based on combinations of Bowen and Sunai prior art.
Decent Espresso International Ltd. v.DUVALL ESPRESSO IP ENFORCEMENT, LLC
The PTAB denied Decent Espresso International Ltd.'s IPR challenge against DUVALL ESPRESSO IP ENFORCEMENT, LLC's infused beverage brewing assembly patent. The Board rejected the petitioner's claim construction of 'resulting solvent valve,' upholding the single-valve interpretation required by the patent owner.
Eunsung Global Corp. v.HydraFacial LLC et al.
The PTAB denied institution for an IPR challenge regarding skin treatment systems due to substantial overlap with parallel ITC proceedings and advanced litigation. This decision emphasizes resource conservation when multiple venues address the same prior art.
Slack Technologies, LLC et al. v.Wrinkl, Inc.
Slack and Salesforce successfully petitioned to institute an IPR against Wrinkl's group messaging patent (11973731). The Board accepted arguments that the claims are unpatentable by anticipation or obviousness over prior art, including Kakuta.
Slack Technologies, LLC et al. v.Wrinkl, Inc.
Slack and Salesforce successfully secured institution in an IPR against Wrinkl, Inc., challenging 30 claims based on anticipation by the 'Cohen' prior art. The Board found a reasonable likelihood of prevailing under 35 U.S.C. § 102, moving the case toward trial.
First Quality Enterprises, LLC et al. v.Essity Hygiene and Health AB
The PTAB granted institution for the IPR challenge against Essity Hygiene and Health AB's absorbent article patent (9308138). The Board found a reasonable likelihood of prevailing on multiple claims based on obviousness over prior art, including Nakazawa.
MediaTek Inc. v.DAEDALUS PRIME LLC
MediaTek successfully petitioned the PTAB, leading to the institution of an IPR against DAEDALUS PRIME LLC's patent 10740281. The Board found a reasonable likelihood that several claims related to multi-core processor power management are unpatentable over combinations of Sutardja and Mathieson.
Apple Inc. v.Proxense, LLC
The PTAB denied Apple Inc.'s request to institute an IPR against Proxense's patent 8352730. The Board found that Apple failed to demonstrate a reasonable likelihood of success, particularly concerning the justification for filing multiple petitions.
Apple Inc. v.Proxense, LLC
The PTAB denied Apple Inc.'s request to institute an IPR against Proxense's patent 8,886,954, finding that the petition did not warrant institution as a second challenge.
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