Judge Profile

Sheridan K. Snedden

62 IP cases indexed. Covers patent matters.

Cases Presided Over

62 cases indexed | Page 1 of 3

patent instituted · Oct 1, 2025

ResMed Corp. v.Cleveland Medical Devices, Inc.

· IPR2025-00247

ResMed Corp. successfully convinced the PTAB to institute IPR proceedings against Cleveland Medical Devices regarding a patent covering sleep disorder treatment/CPAP systems. The Board found that ResMed demonstrated a reasonable likelihood of prevailing on Grounds 1-3, which centered on obviousness (35 U.S.C. § 103).

patent instituted · Oct 1, 2025

ResMed Corp. v.Cleveland Medical Devices, Inc.

· IPR2025-00246

ResMed Corp. successfully challenged Cleveland Medical Devices' sleep apnea monitoring patent via IPR, arguing the claims were obvious over combinations of prior art references. The Board found a reasonable likelihood of prevailing on at least one claim, leading to institution.

patent all challenged claims unpatentable · Jul 25, 2025

Guardant Health, Inc. v.Cold Spring Harbor Laboratory

· IPR2025-01355

Guardant Health’s IPR against the ’013 single‑cell sequencing patent resulted in the Board finding all 28 claims unpatentable as obvious over prior publications by Linnarsson and McCloskey. The petition’s obviousness arguments were accepted and the patent owner’s defenses were rejected.

patent all challenged claims unpatentable · Jul 25, 2025

Guardant Health, Inc. v.Cold Spring Harbor Laboratory

· IPR2025-01353

Guardant Health’s IPR resulted in all 28 claims of the 10,697,013 B1 patent being held unpatentable for obviousness over prior‑art tagging methods. The Board affirmed the petitioner’s combination of Linnarsson and McCloskey references.

patent denied · Mar 26, 2025

SeaSpine Holdings Corporation et al. v.Jackson, Roger

· IPR2025-00773

The PTAB denied an IPR petition filed by SeaSpine Holdings against Roger P. Jackson because the patent owner had disclaimed all challenged claims of U.S. Patent No. 11,399,873 B2.

patent · Mar 4, 2025

Intas Pharmaceuticals, Ltd. et al. v.Atossa Therapeutics, Inc.

· PGR2025-00043

Court decision.

patent instituted · Mar 4, 2025

Intas Pharmaceuticals, Ltd. et al. v.Atossa Therapeutics, Inc.

· IPR2025-00799

Intas Pharmaceuticals successfully secured the institution of IPR against Atossa Therapeutics over a drug polymorph patent (11,261,151), challenging claims based on anticipation and obviousness using prior art Liu.

patent instituted · Jan 5, 2025

AZURITY PHARMACEUTICALS, INC. v.Helsinn Healthcare S.A.

· IPR2025-00949

AZURITY PHARMACEUTICALS successfully convinced the PTAB that multiple claims of Helsinn Healthcare's anti-emetic patent were unpatentable. The Board granted institution based on obviousness (103) over several prior art references, paving the way for a full trial.

patent instituted · Jan 5, 2025

AZURITY PHARMACEUTICALS, INC. v.Helsinn Healthcare S.A.

· IPR2025-00948

AZURITY PHARMACEUTICALS successfully petitioned to institute IPR against Helsinn Healthcare's '515 patent covering anti-emetic agents. The Board found a reasonable likelihood of prevailing based on obviousness (103) and prior art, allowing the challenge to proceed.

patent instituted · Jan 5, 2025

AZURITY PHARMACEUTICALS, INC. v.Helsinn Healthcare S.A.

· IPR2025-00945

AZURITY PHARMACEUTICALS successfully petitioned to institute IPR proceedings against Helsinn Healthcare S.A.'s anti-emetic patent (8623826). The Board found a reasonable likelihood of prevailing on independent claim 19, allowing the challenge based on obviousness over prior art like MASCC and Hoffmann.

patent denied · Nov 27, 2024

Curio Bioscience, Inc. v.Prognosys Biosciences Inc. et al.

· IPR2025-00237

Curio Bioscience, Inc.'s IPR challenge against Prognosys and 10X Genomics was denied by the PTAB. The Board found that Petitioner failed to demonstrate a reasonable likelihood of prevailing on grounds of obviousness (over Cantor/Armani) and anticipation (by Frisen).

patent denied · Nov 27, 2024

Curio Bioscience, Inc. v.Prognosys Biosciences Inc. et al.

· IPR2025-00236

The PTAB denied Curio Bioscience's IPR challenge against Prognosys and 10X Genomics, finding that the asserted claims were not obvious or anticipated by the prior art. The Board specifically rejected arguments linking Cantor to spatial analysis in tissue sections.

patent denied · Nov 15, 2024

Curio Bioscience, Inc. v.Prognosys Biosciences Inc. et al.

· IPR2025-00193

The PTAB denied Curio Bioscience's IPR against Prognosys/10X Genomics, finding no grounds for invalidity based on obviousness (Cantor/Armani) or anticipation (Frisen). The Board concluded that the prior art did not teach the necessary combination elements of spatially encoded biological assays.

patent denied · Nov 15, 2024

Curio Bioscience, Inc. v.Prognosys Biosciences Inc. et al.

· IPR2025-00192

The PTAB denied Curio Bioscience's IPR challenge against Prognosys and 10X Genomics, finding no reasonable likelihood of prevailing on grounds of anticipation (102), obviousness (103), or written description (112). The Board upheld the validity of the challenged claims in spatial omics/assay systems technology.

patent denied · Nov 15, 2024

ResMed Corp. v.Cleveland Medical Devices, Inc.

· IPR2025-00157

The PTAB denied ResMed Corp.'s Inter Partes Review petition against Cleveland Medical Devices' patent, citing prior filings and concerns over 'road-mapping'.

patent denied · Nov 9, 2024

Curio Bioscience et al. v.Prognosys Biosciences Inc. et al.

· IPR2024-01289

The PTAB denied the IPR petition brought by Curio Bioscience against Prognosys and 10X Genomics, finding that the challenged claims were not obvious over Cantor or anticipated by Frisen. The Board upheld the Patent Owner's position regarding spatial analysis in tissue samples.

patent instituted · Sep 30, 2024

Dr. Squatch, LLC v.The Procter & Gamble Company

· IPR2024-01498

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.

patent final · Sep 30, 2024

Dr. Squatch, LLC v.The Procter & Gamble Company

· IPR2024-01498

The PTAB found all 19 challenged claims unpatentable based on obviousness (35 U.S.C. § 103). The Petitioner successfully demonstrated that a Person Having Ordinary Skill in the Art would have been motivated to combine various prior art references for predictable results. This decision confirms the validity of the combination approach under POSA principles in deodorant formulation technology.

patent terminated or settled · Sep 1, 2024

Jeisys Medical Inc. et al. v.Serendia, LLC

· IPR2024-00383

EndyMed Medical and Serendia settled their inter partes review disputes over U.S. Patent 9,775,774, leading the PTAB to terminate the proceedings and keep the settlement confidential.

patent terminated or settled · Sep 1, 2024

Jeisys Medical Inc. et al. v.Serendia, LLC

· IPR2024-00383

The PTAB granted a settlement‑based termination for Jeisys Medical in three IPRs while allowing the proceedings to continue for EndyMed. The settlement agreement was ordered to be kept confidential.

patent instituted · Sep 1, 2024

Jeisys Medical Inc. et al. v.Serendia, LLC

· IPR2024-00383

The PTAB instituted an IPR challenging claims 13 and 14 of Serendia's patent, finding a reasonable likelihood of anticipation by the prior art reference Mehta. The case moves to trial phase after rejecting arguments for discretionary denial based on competitor relationships.

patent terminated or settled · Aug 27, 2024

EndyMed Medical Ltd. et al. v.Serendia, LLC

· IPR2024-00845

EndyMed Medical and Serendia reached a settlement that resolved all disputes over U.S. Patent No. 10,869,812. The Board granted a joint motion to terminate the instituted IPRs and treated the settlement agreement as confidential business information.

patent terminated or settled · Aug 1, 2024

Jeisys Medical Inc. et al. v.Serendia, LLC

· IPR2024-00384

Serendia and Jeisys Medical settled their IPR dispute over U.S. Patent 9,320,536, leading the PTAB to terminate the proceeding.

patent instituted · Aug 1, 2024

Jeisys Medical Inc. et al. v.Serendia, LLC

· IPR2024-00384

The PTAB instituted the IPR challenge against Serendia's '536 patent, finding a reasonable likelihood of unpatentability. The Board determined that prior art (Mehta) discloses the claimed depth control feature despite arguments for fixed-length needles.

patent instituted · Jul 19, 2024

3D Diagnostix, Inc. v.Watson Guide IP, LLC

· PGR2024-00040

3D Diagnostix successfully petitioned to institute IPR against Watson Guide IP regarding dental prosthesis claims under 103. The Board found sufficient evidence of obviousness, despite disputes over claim language and prior art interpretation.

patent all challenged claims unpatentable · Jul 19, 2024

3D Diagnostix, Inc. v.Watson Guide IP, LLC

· PGR2024-00040

The PTAB found that all challenged claims were obvious over various combinations of prior art references, including Llop '126 and Sichuan. The Board determined there was a clear motivation for a person skilled in the art to combine these references to achieve the claimed invention.

patent instituted · Jul 17, 2024

Dr. Squatch, LLC v.The Procter & Gamble Company

· IPR2024-01174

The PTAB decided to institute IPR proceedings against a deodorant/antiperspirant patent, finding that Petitioner demonstrated a reasonable likelihood of prevailing on several key claims. The decision validates the use of multiple prior art references in personal care compositions for obviousness challenges.

patent instituted · Jul 17, 2024

Dr. Squatch, LLC v.The Procter & Gamble Company

· IPR2024-01173

Dr. Squatch, LLC successfully challenged The Procter & Gamble Company's patent claims in an IPR proceeding, demonstrating a reasonable likelihood of prevailing on unpatentability for key deodorant compositions. The Board found that prior art references taught sufficient motivation to combine elements across different personal care fields.

patent final · Jul 17, 2024

Dr. Squatch, LLC v.The Procter & Gamble Company

· IPR2024-01174

The PTAB issued a final written decision finding all 23 challenged claims of U.S. Patent No. 11,497,706 unpatentable. The petitioner successfully demonstrated that the claimed aluminum-free deodorant compositions were anticipated or rendered obvious by various combinations of prior art references.

patent Final Written Decision · Jul 17, 2024

Dr. Squatch, LLC v.The Procter & Gamble Company

· IPR2024-01173

The PTAB found that the petitioner's challenges against claims 1-7, 9-13, and 16-19 were successful. The Board determined that the challenged deodorant formulations were unpatentable under both 35 U.S.C. § 102 (anticipation) and § 103 (obviousness).

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