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Case / Trial ID Number
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Category
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Patent
Trademark
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Design
Filing Date
Decision Verdict Date
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Petitioner / Claimant (Plaintiff)
Milwaukee Electric Tool Corporation
Respondent / Defendant
Klein Tools, Inc.
Dispute Summary
Milwaukee Electric Tool Corp. filed a PGR petition challenging four claims of Klein Tools' safety‑helmet patent, asserting lack of written description, added matter, obviousness over multiple helmet references, and anticipation by Klein's 2019 news release.
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