Judge Profile

James A. Tartal

48 IP cases indexed. Covers patent matters.

Cases Presided Over

48 cases indexed | Page 1 of 2

patent Final Written Decision

Fluidmaster, Inc. v.Danco, Inc. et al.

· IPR2024-00634

The PTAB found 16 claims unpatentable over prior art references, primarily based on obviousness (35 U.S.C. § 103). The Board upheld its construction of 'integrally molded with' as 'molded together as a single structure.'

patent final

Fluidmaster, Inc. v.Danco, Inc. et al.

· IPR2024-00633

The PTAB found several independent claims unpatentable over prior art references (Brown and Ho) using grounds of obviousness. The Board adopted a broad construction for 'integrally molded with' as 'molded together as a single structure.'

patent Final Written Decision

Fluidmaster, Inc. v.Danco, Inc. et al.

· IPR2024-00635

The PTAB panel majority found that the cited prior art references teach or suggest all limitations of claims 1-14, rendering them unpatentable under 35 U.S.C. § 103. The Board specifically construed key terms like 'overflow tube' and 'Flow Limitations' to support Petitioner’s reading, though ultimately found the overflow tube limitation was limiting in scope.

patent final

Tommy John, Inc. v.Pakage Apparel, Inc.

· IPR2024-01163

The PTAB found that the challenged claims (1-13, 15, 16) were unpatentable based on obviousness over combinations of prior art references. The Board accepted Petitioner's argument that Kitsch satisfied key limitations like 'stretch panel,' and broadly construed material requirements to favor the petitioner.

patent final

Solaris Oilfield Site Services Operating, LLC et al. v.Masaba, Inc.

· IPR2024-01179

The PTAB found all 25 challenged claims unpatentable as obvious under 35 U.S.C. § 103. The Board determined that the combination of prior art references Waldner and Dynatek, along with others like Auld and McIver, rendered the claimed aggregate transferring apparatus predictable engineering.

patent all challenged claims unpatentable

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

Fluidmaster, Inc. v.Danco, Inc. et al.

· IPR2024-00633

Fluidmaster successfully petitioned the PTAB to institute an IPR against Danco's patent, challenging 20 claims based on obviousness (35 U.S.C. § 103). The Board adopted a narrow claim construction for 'integrally molded with,' defining it as being formed as a single structure.

patent instituted

Fluidmaster, Inc. v.Danco, Inc. et al.

· IPR2024-00634

Fluidmaster successfully moved forward with its IPR challenge against Danco's patent (9103105) regarding toilet fill valves. The Board granted institution on multiple grounds, setting the stage for a full trial to determine if the claims are unpatentable over prior art combinations.

patent instituted

Fluidmaster, Inc. v.Danco, Inc. et al.

· IPR2024-00635

Fluidmaster successfully petitioned the PTAB against Danco, Inc., leading to the institution of trial on all 14 claims. The Board found sufficient evidence that the patent's features were obvious under 35 U.S.C. § 103 using various prior art references. This decision significantly advances Fluidmaster’s challenge in related district court litigation.

patent instituted

Abbott Diabetes Care Inc. et al. v.DexCom, Inc.

· IPR2024-00841

Abbott Diabetes Care Inc.'s IPR challenge against DexCom's glucose monitoring patent was instituted by the PTAB. The Board found a reasonable likelihood of success on anticipation and obviousness grounds over prior art reference Gross, despite acknowledging examination complexity. This decision advances Abbott's efforts to invalidate key claims in the medical device space.

patent denied

Abbott Diabetes Care Inc. et al. v.DexCom, Inc.

· IPR2024-00860

The PTAB denied Abbott's second IPR petition against DexCom's '625 patent. The Board ruled that the petitioner failed to demonstrate any material difference in grounds compared to a previously instituted review.

patent instituted

Abbott Diabetes Care Inc. et al. v.DexCom, Inc.

· IPR2024-00859

Abbott Diabetes Care Inc. successfully petitioned to institute IPR proceedings against DexCom, Inc.'s patent (11510625) regarding transcutaneous analyte measurement systems. The Board found a reasonable likelihood of prevailing on unpatentability based on alleged anticipation by prior art reference Pace for at least Claim 1.

patent instituted

Abbott Diabetes Care Inc. et al. v.DexCom, Inc.

· IPR2024-00890

Abbott Diabetes Care Inc. successfully petitioned to institute IPR against DexCom, Inc.'s glucose monitoring patent (11020031). The Board found sufficient evidence for trial on 22 claims based on anticipation and obviousness over prior art from Zhang and Shin.

patent instituted

Abbott Diabetes Care Inc. et al. v.DexCom, Inc.

· IPR2024-00891

Abbott Diabetes Care Inc. successfully secured institutional status in an IPR against DexCom, Inc., regarding continuous glucose monitoring systems. The Board found sufficient evidence that prior art references anticipate or render obvious key claims related to transcutaneous sensors and drift profiles.

patent denied

SharkNinja, Inc. et al. v.Dyson Technology Limited

· IPR2024-00993

SharkNinja's IPR challenge against Dyson regarding hair styling attachments was denied by the PTAB. The Board found that Petitioner failed to demonstrate a reasonable likelihood of prevailing on any challenged claim based on obviousness over prior art references.

patent instituted

Tommy John, Inc. v.Pakage Apparel, Inc.

· IPR2024-01163

Tommy John, Inc. successfully petitioned to invalidate key claims of Pakage Apparel's '974 patent based on obviousness over prior art combinations (Kitsch/Brocks). The PTAB declined discretionary denial because the petitioner showed a reasonable likelihood of prevailing and failed to demonstrate material error in prosecution history.

patent instituted

Solaris Oilfield Site Services Operating, LLC et al. v.Masaba, Inc.

· IPR2024-01179

The PTAB granted institution of IPR for Solaris against Masaba's aggregate handling patent (11780689), finding a reasonable likelihood that key claims are obvious over Waldner and Dynatek.

patent denied

Arthrex, Inc. et al. v.Medshape, Inc.

· IPR2025-00053

The PTAB denied Arthrex's IPR petition against Medshape's patent (7985222), citing the complex and overlapping nature of co-pending district court litigation.

patent instituted

Abbott Laboratories et al. v.MIRACOR MEDICAL SA

· IPR2025-00096

Abbott Laboratories challenged MIRACOR MEDICAL SA's cardiac assist pump patents based on obviousness (35 U.S.C. § 103). The Board adopted the Patent Owner’s broader claim constructions for key terms like 'magneto coupling,' leading to the institution of the IPR.

patent instituted

Abbott Laboratories et al. v.MIRACOR MEDICAL SA

· IPR2025-00112

Abbott Laboratories successfully petitioned to challenge MIRACOR MEDICAL SA's cardiac assist pump patent based on obviousness (35 U.S.C. § 103). The PTAB institution decision found sufficient evidence of unpatentability over the Bourque/Wampler combination, despite arguments regarding specific claim limitations and prior art scope.

patent instituted

Abbott Laboratories et al. v.MIRACOR MEDICAL SA

· IPR2025-00113

Abbott Laboratories successfully petitioned to challenge claims of MIRACOR MEDICAL SA's VAD patent based on obviousness (35 U.S.C. § 103). The PTAB granted institution, finding a reasonable likelihood of prevailing over multiple prior art references.

patent instituted

Abbott Laboratories et al. v.MIRACOR MEDICAL SA

· IPR2025-00114

Abbott Laboratories successfully petitioned to institute IPR against MIRACOR MEDICAL SA's heart assist pump patent (US 11,572,879 B2). The Board adopted broader claim constructions for key terms like 'magneto coupling,' leading to institution on all 15 challenged claims.

patent instituted

Abbott Laboratories et al. v.MIRACOR MEDICAL SA

· IPR2025-00116

Abbott Laboratories challenged MIRACOR MEDICAL SA's heart assist pump patent (11754077) on grounds of obviousness over Wampler and Bourque. The PTAB instituted the IPR, affirming plain meanings for key terms like 'magneto coupling,' while finding Petitioner's rationale persuasive regarding combination art.

patent instituted

Abbott Laboratories et al. v.MIRACOR MEDICAL SA

· IPR2025-00115

Abbott Laboratories successfully petitioned the PTAB to challenge 19 claims of MIRACOR MEDICAL SA's LVAD patent based on obviousness (35 U.S.C. § 103). The Board found sufficient evidence for institution, adopting broader claim constructions for key terms like 'magneto coupling.'

patent instituted

Activision Blizzard, Inc. v.Milestone Entertainment, LLC

· IPR2025-00708

Activision Blizzard successfully petitioned the PTAB to challenge Milestone Entertainment's patent on grounds of obviousness over prior art references, leading to institution of the IPR. The Board found a reasonable likelihood of prevailing regarding claims 1 and others based on combinations of Kelly, Walker, and Schneier.

patent instituted

Activision Blizzard, Inc. v.Milestone Entertainment, LLC

· IPR2025-00709

The PTAB granted institution for Activision Blizzard's IPR against Milestone Entertainment regarding a gaming patent. The challenger successfully demonstrated a reasonable likelihood of prevailing on obviousness grounds over prior art related to virtual currency and in-game economies.

patent instituted

Activision Blizzard, Inc. v.Milestone Entertainment, LLC

· IPR2025-00710

The PTAB granted institution of IPR for Activision Blizzard against Milestone Entertainment regarding a gaming patent. The dispute centers on whether the patented virtual currency system is obvious over prior art related to pay-per-use game credits.

patent instituted

Activision Blizzard, Inc. v.Milestone Entertainment, LLC

· IPR2025-00711

Activision Blizzard successfully petitioned the PTAB to institute an IPR against Milestone Entertainment's patent (11335164) covering electronic game systems and prizing. The Board found a reasonable likelihood of prevailing on multiple grounds, primarily based on obviousness over prior art references like Kelly.

patent instituted

Activision Blizzard, Inc. v.Milestone Entertainment, LLC

· IPR2025-00712

Activision Blizzard successfully petitioned to challenge Milestone Entertainment's patent on grounds of obviousness over prior art references like Walker and Kelly. The PTAB granted institution, finding a reasonable likelihood that the claims are unpatentable. This sets up a trial proceeding focused on gaming parameter modification systems.

patent denied

Activision Blizzard, Inc. v.Milestone Entertainment, LLC

· IPR2025-00713

Activision Blizzard's attempt to invalidate Milestone Entertainment's gaming patent was denied by the PTAB. The Board found that the petitioner failed to demonstrate a reasonable likelihood of prevailing on the grounds of obviousness over prior art references Kelly and Paulsen.

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 →