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Patent
Trademark
Copyright
Design
Filing Date
Decision Verdict Date
Court / Tribunal
Bench / Panel Judges
Petitioner / Claimant (Plaintiff)
SCIENTIFIC DRILLING INTERNATIONAL, INC.
Respondent / Defendant
Gunnar LLLP
Dispute Summary
Scientific Drilling International has filed a Post‑Grant Review petition seeking to invalidate all 22 claims of Gunnar LLLP’s ‘780 patent on magnetic ranging while drilling. The petition alleges lack of written description, indefiniteness, and obviousness over several prior‑art patents.
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