Judge Profile

Grace Karaffa Obermann

70 IP cases indexed. Covers patent matters.

Cases Presided Over

70 cases indexed | Page 1 of 3

patent all challenged claims upheld

LG Energy Solution, Ltd. v.Molecular Rebar Design, LLC

· IPR2024-01011

LG Energy Solution’s challenge to the ’924 lithium‑ion battery patent was rejected. The Board found no sufficient evidence of obviousness over the cited prior art, leaving all five claims intact.

patent all challenged claims upheld

LG Energy Solution, Ltd. v.Molecular Rebar Design, LLC

· IPR2024-01013

The PTAB affirmed all claims of LG Energy Solution’s lithium‑ion battery patent after finding the challenger’s obviousness arguments unsupported. The Board emphasized that Ohata’s masterbatch embeds carbon nanotubes, preventing the required ionic attachment, and rejected the petitioner’s speculation about resin removal.

patent terminated or settled

Aputure Imaging Industries Co., Ltd. v.--

· IPR2024-01422

Aputure Imaging and Rotolight settled their dispute over four USPTO patents, leading the Board to terminate four IPRs before any merits were decided and to keep the settlement confidential.

patent terminated or settled

Aputure Imaging Industries Co., Ltd. v.--

· IPR2024-01424

Aputure Imaging and Rotolight settled their IPR disputes covering four patents, leading the PTAB to terminate the proceedings and keep the settlement confidential.

patent all challenged claims upheld

Samsung Electronics Co., Ltd. et al. v.Molecular Rebar Design, LLC

· IPR2025-00357

Samsung’s IPR challenge to U.S. Patent 8,968,924, covering lithium‑ion battery compositions with discrete carbon nanotubes, was rejected. The Board found no obviousness for any of the five challenged claims, leaving the patent intact.

patent all challenged claims upheld

ClearCorrect Operating, LLC et al. v.Align Technology, Inc.

· IPR2025-00818

The PTAB affirmed all claims of Align Technology’s ‘630 patent after finding ClearCorrect’s obviousness arguments unpersuasive. No claims were deemed unpatentable.

patent all challenged claims upheld

ClearCorrect Operating, LLC et al. v.Align Technology, Inc.

· IPR2025-00819

The PTAB affirmed Align Technology’s patent on a multilayer dental sheet composition, finding none of the ClearCorrect‑challenged claims unpatentable.

patent all challenged claims unpatentable

SAMSUNG ELECTRONICS CO., LTD. et al. v.OMNI MEDSCI, INC.

· IPR2025-01254

Apple prevailed in an IPR against Omni MedSci, finding claims 7 and 10‑14 of the ’299 patent unpatentable for obviousness over Lisogurski, Carlson, Mannheimer, and Park references.

patent all challenged claims unpatentable

SAMSUNG ELECTRONICS CO., LTD. et al. v.OMNI MEDSCI, INC.

· IPR2025-01253

The PTAB issued a Final Written Decision on Remand, finding all 23 claims of Omni MedSci’s wearable pulse‑oximeter patent unpatentable. Apple’s arguments on obviousness over multiple prior‑art references prevailed.

patent mixed - some claims cancelled, some upheld

SAMSUNG ELECTRONICS CO., LTD. et al. v.OMNI MEDSCI, INC.

· IPR2025-01251

Apple won a PTAB IPR against Omni MedSci, finding 12 of the 23 challenged claims of the 10,517,484 B2 wearable health‑monitoring patent unpatentable, while the remaining claims survived.

patent mixed - some claims cancelled, some upheld

WHOOP, Inc. v.Omni MedSci, Inc.

· IPR2025-01583

The PTAB found that WHOOP proved unpatentability of 12 of the 23 claims of Omni MedSci’s wearable physiological monitoring patent, while the remaining 11 claims were left intact. The decision hinged on obviousness over a combination of prior‑art references.

patent all challenged claims unpatentable

WHOOP, Inc. v.Omni MedSci, Inc.

· IPR2025-01585

The PTAB held that WHOOP’s challenge succeeded, finding all of the asserted claims of Omni MedSci’s ‘533 patent unpatentable as obvious over Lisogurski, Carlson, and Mannheimer prior art.

patent mixed - some claims cancelled, some upheld

WHOOP, Inc. v.Omni MedSci, Inc.

· IPR2025-01585

The PTAB held that WHOOP proved unpatentability of 12 of the 23 claims of Omni MedSci’s wearable physiological‑measurement patent, while the remaining 11 claims were left intact. The decision hinged on obviousness over a combination of prior‑art references covering optical sensing, modulation, and AI‑driven analysis.

patent mixed - some claims cancelled, some upheld

SAMSUNG ELECTRONICS CO., LTD. et al. v.OMNI MEDSCI, INC.

· PGR2025-00063

Apple (as petitioner) secured a partial victory over Omni MedSci's wearable health‑monitoring patent, finding 12 of the 23 claims unpatentable while leaving 11 claims intact.

patent final

JIANGSU FAVORED NANOTECHNOLOGY CO., LTD. v.P2i Ltd.

· IPR2024-00380

The PTAB found the challenged claims unpatentable over prior art based on obviousness (35 U.S.C. § 103). The Board determined that combining references like Cohen and Legein, or Francesch and Legein, was motivated by intrinsic evidence and skilled artisan capabilities. This decision significantly impacts the patent owner's portfolio in plasma polymerization coatings for electronics.

patent final

Kohler Co. v.Delta Faucet Company et al.

· IPR2024-00700

The Board found that claims 1, 2, and 9 were unpatentable over prior art references Tseng and Mizuno based on obviousness. The remaining claims (3-8 and 10-24) were deemed patentable.

patent final

Kohler Co. v.Delta Faucet Company et al.

· IPR2024-00700

The Petitioner successfully demonstrated that all 24 claims of the patent were unpatentable over various combinations of prior art references. The Board adopted a broad construction for key terms like 'outer illumination surface' and 'translucent light pipe,' supporting the finding of obviousness across multiple grounds.

patent final

BOE Technology Group, Co. Ltd. v.138 East LCD Advancements Limited et al.

· IPR2024-00973

The Board found that the majority of claims (1, 3–7, 9–13, 15–18) were unpatentable over Reiner and Takahara based on obviousness. However, Claims 2, 8, and 14 survived the challenge, indicating a mixed outcome for the Petitioner.

patent Final Written Decision

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

· IPR2024-01093

The Petitioner successfully demonstrated that the claims are unpatentable over prior art references Choulis, Sugiura, and Thompson. The Board adopted a broad construction of 'matrix material' and found multiple grounds for anticipation (102) and obviousness (103).

patent Final Written Decision

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

· IPR2024-01094

The PTAB found several claims of the '223 patent unpatentable over prior art reference Ma based on obviousness. Specifically, Claims 1, 2, 6, and 8-14 were invalidated by the Board's determination that Ma disclosed relevant features.

patent final

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

· IPR2024-01095

The PTAB issued a Final Written Decision finding seven claims unpatentable based on obviousness (35 U.S.C. § 103). The decision centered on the combination of prior art references in Organic Light-Emitting Diode (OLED) technology, specifically regarding dopants and encapsulation methods.

patent Final Written Decision

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

· IPR2024-01095

The Board found several claims of the patent unpatentable over prior art based on obviousness (35 U.S.C. § 103). The Petitioner successfully argued that combining known OLED elements, such as specific dopants or encapsulation layers, would have been routine and predictable to a skilled artisan.

patent final

Shenzhen Root Technology Co., Ltd. et al. v.Chiaro Technology Ltd.

· IPR2024-01296

The PTAB issued a Final Written Decision determining that all 46 challenged claims of the '380 patent were unpatentable. The petitioner successfully argued obviousness (103) over various prior art references, including Chang, Fang, and Yuen, concerning breast pump systems.

patent final

Bio-Rad Laboratories, Inc. v.California Institute of Technology et al.

· IPR2024-01451

The PTAB issued a Final Written Decision rejecting all claims (1-19) of the '921 patent. The Board rejected arguments based on obviousness and novelty, particularly concerning multi-occupancy droplet detection in multiplexed biochemical assays.

patent final

Runergy Alabama Inc et al. v.Trina Solar Co. Ltd.

· IPR2025-00006

The Petitioner successfully demonstrated that all 17 challenged claims are unpatentable under 35 U.S.C. § 103(a). The Board found specific combinations of prior art, notably Chang and Jin, rendered the claimed solar cell structures obvious.

patent Final Written Decision

Runergy Alabama Inc et al. v.Trina Solar Co. Ltd.

· IPR2025-00007

The PTAB issued a Final Written Decision finding all 11 challenged claims unpatentable under 35 U.S.C. § 103(a). The Board found that the Petitioner successfully demonstrated obviousness over combinations of prior art, specifically involving Chang and Jin for isolation regions in solar cells.

patent all challenged claims unpatentable

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

· IPR2025-00918

The PTAB found all 11 challenged claims of the solar cell patent unpatentable based on obviousness (35 U.S.C. § 103). The Board determined that combining prior art references, particularly Chang and Jin, would motivate an ordinary skilled artisan to make the claimed structure with a reasonable expectation of success.

patent instituted

JIANGSU FAVORED NANOTECHNOLOGY CO., LTD. v.P2i Ltd.

· IPR2024-00380

JIANGSU FAVORED NANOTECHNOLOGY CO., LTD. successfully petitioned to overturn a discretionary denial of IPR for P2i Ltd.'s patent (11041087). The Board found that the prior art was sufficiently evaluated during prosecution, leading to the institution of the case on § 103 grounds.

patent denied

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

· IPR2024-00855

Samsung Display Co., Ltd.'s IPR petition against Pictiva Displays International Ltd. was denied by the PTAB. The Board found that the petition lacked compelling merits and determined the dispute was better suited for District Court resolution due to complex claim construction issues.

patent denied

SHENZHEN ROOT TECHNOLOGY CO., LTD. et al. v.Chiaro Technology Ltd.

· IPR2024-00953

The PTAB denied institution of an IPR challenge against Chiaro Technology's breast pump patent (11413380) because the petitioner had filed a parallel petition in another proceeding.

Arctic Invent — IP Strategy

Facing a similar IP matter?

Arctic Invent is a specialist IP firm with deep litigation expertise across India, EU, US, and UK. Our team uses data-driven strategy to build stronger cases.

Consult our team →