Judge Profile

Grace Karraffa Obermann

8 IP cases indexed. Covers patent matters.

Cases Presided Over

8 cases indexed | Page 1 of 1

patent all challenged claims unpatentable

Mundra Solar PV Ltd. et al. v.Trina Solar Co. Ltd.

· IPR2025-00186

The PTAB issued a Final Written Decision finding that all 11 challenged claims of the solar cell patent were obvious over prior art references. The Board credited the petitioner's evidence, concluding that an ordinary artisan would have combined Chang and Jin to achieve the claimed isolation features with reasonable success.

patent all challenged claims unpatentable

Mundra Solar PV Ltd. et al. v.Trina Solar Co. Ltd.

· IPR2025-00187

The PTAB found all 17 challenged claims unpatentable under 35 U.S.C. § 103, concluding that the combination of prior art references was sufficient to teach the claimed solar cell structure. This decision validates the Petitioner's arguments regarding obviousness in photovoltaic technology.

patent all challenged claims unpatentable

Canadian Solar (USA) Inc. et al. v.Trina Solar Co. Ltd.

· IPR2025-00917

The PTAB found all 17 challenged claims unpatentable under 35 U.S.C. § 103(a) for the solar cell technology. The Board concluded that Petitioner successfully demonstrated obviousness over Chang in view of Jin, or other combinations.

patent instituted

Kohler Co. v.Delta Faucet Company et al.

· IPR2024-00700

Kohler Co. successfully petitioned the PTAB to institute an IPR against Delta Faucet Company et al., challenging claims related to illuminated showerheads. The Board found a reasonable likelihood of prevailing on key grounds, advancing the dispute to trial.

patent instituted

Samsung Display Co., Ltd. et al. v.Pictiva Displays International Limited et al.

· IPR2024-01094

Samsung Display Co., Ltd. successfully had its IPR petition instituted against Pictiva Displays International Limited regarding OLED technology claims. The Board found a reasonable likelihood of prevailing on Claim 1 based on obviousness over prior art 'Ma'.

patent instituted

Samsung Display Co., Ltd. et al. v.Pictiva Displays International Ltd. et al.

· IPR2024-01095

Samsung Display Co., Ltd. successfully petitioned the PTAB to challenge Pictiva Displays International Ltd.'s patent, leading to institution of the IPR. The Board focused on Ground IX, finding a reasonable likelihood that Claim 9 is unpatentable over Suzuki and Caldwell regarding OLED technology combined with touch sensing functionality.

patent denied

Ningbo Linhua Plastic Co., Ltd. v.Converter Manufacturing LLC

· IPR2024-01435

The PTAB denied the IPR petition filed by Ningbo Linhua Plastic Co., Ltd. against Converter Manufacturing LLC's patent, finding that the challenged claims were not obvious over prior art references like Portelli and Meadors.

patent instituted

Padagis US LLC et al. v.Neurelis, Inc.

· IPR2025-00466

Padagis US LLC successfully challenged Neurelis, Inc.'s patent claims covering nasal drug delivery formulations. The Board found a reasonable likelihood of prevailing on multiple grounds, leading to the institution of the IPR.

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