California Court of Appeal

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US Ecology v. State of California, D042426

In ordinary contract actions, a plaintiff seeking recovery on a promissory estoppel theory must prove that the defendant's breach was a substantial factor in causing the plaintiff's damages.

Appellate Information

  • Decided 05/25/2005
  • Published 05/25/2005


  • NARES, J.


  • California Court of Appeal


  • For Appellant:
  • Cooley Godward, Stephen C. Neal, John C. Dwyer, Lori R.E. Ploeger and Christopher B. Durbin, Palo Alto, for Plaintiff and Appellant.

  • For Appellees:
  • Bill Lockyer, Attorney General, James M. Humes, Chief Assistant Attorney General, Thomas R. Yanger, Assistant Attorney General, John H. Sanders, Donald P. Cole and Jennifer A. Chmura, Deputy Attorneys General, for Defendants and Respondents., Laurens H. Silver for California Environmental Law Project as Amicus Curiae on behalf of Defendants and Respondents.
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