449 U.S. 383 (1981) Cited 4,229 times 130 Legal Analyses
Holding that communications between corporate counsel and a corporation's employees made for the purpose of rendering legal advice are protected by the attorney-client privilege
558 U.S. 100 (2009) Cited 770 times 17 Legal Analyses
Holding that, although a privilege interest is certainly important, it can effectively be reviewed on direct appeal without resorting to the collateral-order doctrine to bypass the final-judgment rule
Holding that an "advice of counsel" defense to willful infringement does not waive the attorney-client privilege as to trial counsel partly because post-filing conduct is usually not relevant to a finding of willful infringement
Holding that Spalding could assert an attorney-client privilege for an invention disclosure to its corporate legal department for the purpose of obtaining legal advice for the corporation
Holding that the assertion of the advice-of counsel defense against a charge of willful patent infringement necessarily involves issues of substantive patent law
Finding that reliance on advice of counsel “waived the attorney-client privilege with respect to all documents which formed the basis for the advice, all documents considered by counsel in rendering that advice, and all reasonably contemporaneous documents reflecting discussions by counsel or others concerning that advice”