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Case / Trial ID Number
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Category
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Patent
Trademark
Copyright
Design
Filing Date
Decision Verdict Date
Court / Tribunal
Bench / Panel Judges
Petitioner / Claimant (Plaintiff)
Milwaukee Electric Tool Corporation
Respondent / Defendant
Klein Tools Inc.
Dispute Summary
Milwaukee Electric Tool Corporation petitions the PTAB to invalidate Klein Tools' safety‑helmet patent, asserting obviousness over multiple prior‑art references and anticipation by Klein's own 2019 news release, while also challenging the patent’s priority date due to added matter.
Outcome / Ruling
Verdict Document PDF URL
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