Construction equipment — US PTAB Patent Cases
23 decisions indexed
Page 1 of 1 · 23 total
Godbersen-Smith Construction Company d/b/a GOMACO Corporation v.Guntert & Zimmerman Const. Div., Inc.
The PTAB held that all 15 claims of the ’571 slipform paving machine patent are unpatentable, finding the claims obvious over the CIII operator manual combined with Rio’s rotary actuator and other prior art.
Deere & Company v.David’s Dozer V-Loc System, Inc. et al.
Deere & Company seeks director review of the PTAB’s denial to institute an IPR against a grading‑system patent owned by David’s Dozer V‑Loc System. The patent owner contends the petition misstates the law on motivation to combine and that the prior‑art teaches away, making review futile.
Kubota North America Corporation et al. v.Vermeer Manufacturing Company
Vermeer’s preliminary response contends that Kubota’s petition relies on KR996, which does not disclose the pivotal linkage to the loader support required by the ’891 patent. The owner argues the petition’s modifications are non‑obvious and urges denial of institution.
Godbersen-Smith Construction Company d/b/a GOMACO Corporation v.Guntert & Zimmerman Const. Div., Inc.
The USPTO Director denied GOMACO's request for a review of the institution decision in a post‑grant review of patent 11,772,723, leaving the institution in place.
Godbersen-Smith Construction Company d/b/a GOMACO Corporation v.Guntert & Zimmerman Const. Div., Inc.
Guntert & Zimmerman seeks Director Review to overturn the PTAB’s institution of a post‑grant review of claims 1‑7 of U.S. Patent 11,772,723, arguing the patent is pre‑AIA and that collateral estoppel bars the petitioner’s arguments. The request centers on three legal questions about estoppel, preclusive effect, and amendment‑induced AIA status.
Godbersen-Smith Construction Company d/b/a GOMACO Corporation v.Guntert & Zimmerman Const. Div., Inc.
Guntert & Zimmerman seeks Director Review of the PTAB’s Final Written Decision upholding the eligibility of its ’723 slipform paver patent. The owner alleges factual, legal, and evidentiary errors, including misapplied collateral estoppel and ignored claim‑construction issues.
Godbersen-Smith Construction Company d/b/a GOMACO Corporation v.Guntert & Zimmerman Const. Div., Inc.
Guntert & Zimmerman has asked the PTAB for permission to file a reply brief in its post‑grant review against GOMACO, citing alleged mischaracterizations and new arguments by the petitioner. The request emphasizes good cause and a rapid turnaround.
Kubota North America Corporation et al. v.Vermeer Manufacturing Company
Kubota seeks to invalidate Vermeer’s compact tool carrier patent by arguing obviousness over multiple prior‑art references. The petition requests institution of an IPR covering 31 claims.
Kubota North America Corporation et al. v.Vermeer Manufacturing Company
Kubota has filed an IPR petition seeking to invalidate all ten claims of Vermeer’s ’891 compact tool carrier patent, relying on Korean patent KR996 and secondary references Bares and SAE.
Godbersen-Smith Construction Company d/b/a GOMACO Corporation v.Guntert & Zimmerman Const. Div., Inc.
Guntert & Zimmerman seeks Director Review to overturn a PTAB decision that barred it from submitting examiner interview evidence in an IPR covering claims 1‑8 of a construction‑equipment patent.
Godbersen-Smith Construction Company d/b/a GOMACO Corporation v.Guntert & Zimmerman Const. Div., Inc.
The USPTO denied GOMACO's request for Director Review of the institution decision in IPR2024-00835, leaving the institution in place.
Godbersen-Smith Construction Company d/b/a GOMACO Corporation v.Guntert & Zimmerman Const. Div., Inc.
GOMACO challenges the PTAB’s decision on a slipform paver patent, asserting the Board failed to resolve a key claim‑construction issue and erred in its obviousness and copying analyses. The patent owner seeks Director Review to vacate the decision.
Godbersen-Smith Construction Company d/b/a GOMACO Corporation v.Guntert & Zimmerman Const. Div., Inc.
Gomaco urges the PTAB Director to deny G&Z’s review request, arguing that the Board’s obviousness finding for the ’318 slipform paver patent is fully supported by the CIII and Rio prior art. The petitioner contends no claim construction is needed and that the Board’s reasoning is adequate.
Godbersen-Smith Construction Company d/b/a GOMACO Corporation v.Guntert & Zimmerman Const. Div., Inc.
The PTAB held that all 20 claims of GOMACO’s slipform paver patent are obvious over the CIII operator manual and Rio’s rotary actuator, rendering the claims unpatentable.
Deere & Company v.David’s Dozer V-Loc System, Inc. et al.
Deere & Company has filed a Request for Director Review seeking reversal of the PTAB’s denial to institute its IPR challenge to U.S. Patent 10,533,300, which covers skid‑steer automatic grading technology. The petition argues the Board misapplied teaching‑away doctrine to the Funk reference and ignored advantages of the claimed combination.
Godbersen-Smith Construction Company d/b/a GOMACO Corporation v.Guntert & Zimmerman Const. Div., Inc.
The PTAB held that all fifteen claims of GOMACO’s slipform paving machine patent are obvious over a combination of the Commander III manual, Rio’s rotary actuator, and other prior art, cancelling the entire patent.
Godbersen-Smith Construction Company d/b/a GOMACO Corporation v.Guntert & Zimmerman Const. Div., Inc.
Gomaco seeks denial of G&Z’s Director Review request, arguing the issues have been repeatedly litigated and that non‑appealable institution decisions cannot create collateral estoppel. The Board agrees, finding no new evidence and confirming PGR eligibility.
Kubota North America Corporation et al. v.Vermeer Manufacturing Company
Kubota has filed an IPR petition challenging all 36 claims of Vermeer’s ’750 patent covering compact tool carriers. The challenger relies on Korean patent KR996, and U.S. patents Bares and Beltrami to argue obviousness under §103. The petition also argues that discretionary denial is inappropriate.
Kubota North America Corporation et al. v.Vermeer Manufacturing Company
Kubota has filed an IPR petition seeking to invalidate Vermeer’s U.S. Patent 10,202,266 covering compact tool carriers. The challenger relies on Korean patent KR996 and U.S. patents Bares and Beltrami to argue obviousness under §§102/103. The petition also argues that discretionary denial is improper.
Kubota North America Corporation et al. v.Vermeer Manufacturing Company
Kubota has filed a PGR petition seeking cancellation of claims 4‑14 of Vermeer’s ’063 patent covering a compact tool carrier. The petition relies on Korean, Japanese, and U.S. prior‑art references to argue anticipation and obviousness, and disputes any discretionary denial.
Deere & Company v.David’s Dozer V-Loc System, Inc. et al.
Deere & Company filed an IPR petition challenging four claims of a dozer‑blade stabilization patent, asserting obviousness over multiple prior‑art references and arguing against discretionary denial.
Kubota North America Corporation et al. v.Vermeer Manufacturing Company
Kubota has filed an IPR petition challenging 22 claims of Vermeer’s 9,321,386 patent covering compact tool carriers. The petition relies on foreign patents KR996 and JP705, plus U.S. patents Bares and Beltrami, to argue obviousness. Kubota also argues that discretionary denial is inappropriate.
Godbersen-Smith Construction Company d/b/a GOMACO Corporation v.Guntert & Zimmerman Const. Div., Inc.
GOMACO has filed a post‑grant review petition seeking cancellation of claims 1‑7 of its ‘723 slipform paver patent. The petition alleges obviousness over the CIII manual, Rio and Files patents, and a lack of written description for a transducer placement. The Board has yet to decide whether to institute the proceeding.
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