United States interpretationparol evidence ruleambiguity

Pacific Gas and Electric Co v G.W. Thomas Drayage & Rigging Co

442 P.2d 641 (Cal. 1968)

JurisdictionUnited States

CourtSupreme Court of California

Year1968

StatusBinding authority

Key Principle

parol evidence; California approach admitting extrinsic evidence to show ambiguity

Contract

Texaco Inc v Pennzoil Co 729 S.W.2d 768 (Tex. 1987)

Klein v. Martin 607 U. S. 213 (2026)

Glossip v Oklahoma 604 U.S. 226 (2025)

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