second and third elements under Fed.R.Civ.P. 24(a)(2), the existence of a sufficient interest, and whether disposition of that interest would effectively impede the putative intervenors’ ability to protect that interest. Among the interests that satisfy these criteria are injury to reputation, see Penthouse Int'l Ltd. v. Playboy Enterprises, Inc., 663 F.2d 371, 373, 392 (2d Cir.1981), need to protect the attorney-client privilege, see In re Katz (Jamil v. United States), 623 F.2d 122 (2d Cir.1980), and need to protect the attorney work-product privilege. See United States v. AT & T, 642 F.2d 1285, 1290-92 (D.C.Cir.1980), citing, Reisman v. Caplin, 375 U.S. 440, 445, 84 S.Ct. 508, 511-12, 11 L.Ed.2d 459 (1964); see also In re Grand Jury Proceedings, 735 F.2d 1330, 1331 (11th Cir.1984) (<HOLDING>); In re Grand Jury Proceedings, 604 F.2d 798,
recognizing that a district court should allow intervention by a client in the first instance as soon as the attorneyclient privilege issue is raised holding that the inadvertent disclosure of a privileged document does not waive the attorneyclient privilege if attorney took all reasonable steps to avoid disclosure and asserted the privilege as soon as the disclosure became known holding that where an issue is raised in the district court but raised late and the district court declines to deem the issue waived the issue may be raised on appeal recognizing intervention to assert both the attorneyclient and work product privileges holding that the information is not protected by attorneyclient privilege