Smithkline Beecham Corporation and Smithkline Beecham Clinical Laboratories, Inc., Petitioners v. Jane Doe, Respondent

Summary

The Texas Supreme Court affirmed summary judgment for SmithKline on the negligence and implied covenant of good faith claims, holding that the drug‑testing laboratory owed no duty to warn a test subject or employer about poppy‑seed ingestion, and remanded for further proceedings on the tortious interference claim. Justice Gammage dissented, arguing that SmithKline should be liable for misrepresentations and a duty to warn.