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24 Biotechnology L. Rep. 1 (2005)

handle is hein.journals/bothnl24 and id is 1 raw text is: 24 Biotechnology Law Report 1
Number 1 (February 2005)
© Mary Ann Liebert, Inc.
The Common-Interest Doctrine and
Intellectual Property Due Diligence
ERIC K. STEFFE, W. BLAKE COBLENTZ, and JESSICA PAREZO*

INTRODUCTION
COMPANIES INVOLVED IN INTELLECTUAL PROPERTY
due diligence investigations are sometimes
faced with situations in which business transactions
would be facilitated by disclosing their attorney's le-
gal impressions to a potential business partner. In
the biotechnology and pharmaceutical industries, for
example, vast resources and expertise are required
to bring a product to market. Most biotechnology
companies are focused on a specific portion of the
product chain (e.g., identifying a drug candidate)
and rely on numerous external collaborations and
alliances with other biotechnology and pharmaceu-
tical companies for further product development.1
Prior to entering an intercompany alliance, however,
potential business partners need answers to compli-
cated legal questions, including (1) whether intel-
lectual property owned by third parties exists that
may be infringed during the collaborative effort; and
(2) whether the other company's own intellectual
property sufficiently covers the product intended for
commercialization. A potential business partner is
faced with the choice of either retaining an attorney
to perform due diligence investigations from scratch
or, to save time and money, requesting that the other
company turn over any relevant legal opinions that
have already been prepared for its own use. How-
ever, absent applicability of an exception to the
waiver rule, sharing legal opinions with another
waives the attorney-client privilege.
*Mr. Steffe is a Director at Sterne, Kessler, Goldstein & Fox
P.L.L.C. Mr. Coblentz was a summer associate and Ms. Parezo
a former associate at Sterne, Kessler. The content of this arti-
cle reflects the present thoughts of the authors and should not
be attributed to Sterne, Kessler or any of its former, current, or
future clients.

Provided below is a discussion of the attor-
ney-client privilege and exceptions to the waiver
rule; a review of case law involving the common-
interest doctrine in the context of transactions in-
volving intellectual property; and considerations
and recommendations for companies involved in
due diligence investigations.
ATTORNEY-CLIENT PRIVILEGE AND
EXCEPTIONS TO THE WAIVER RULE
The attorney-client privilege protects from dis-
closure confidential communications from client to
lawyer during professional employment.2 The pro-
tection extends to both information provided to the
lawyer by the client and professional advice given
by an attorney that discloses such information.3
With a few exceptions, discussed below, a client
who discloses privileged information to a third party
waives the privilege. Generally speaking, the scope
of the waiver includes all documents and informa-
tion in the client's hands that relate to the waived
subject matter.4 Thus, if the privilege is waived-
for example, because a company shared with a po-
tential collaborator an opinion of counsel relating to
'Lillian Waag0, Factors Related to Acquiring Capital in Young
Biotechnology and Biomedical Firms, NCSB 2004 Conference
13th Nordic Conferences on Small Business Research (May
2004); see also D.L. Deeds and C.W.L. Hill, Strategic alliances
and the rate of new product development: an empirical study
of entrepreneurial biotechnology firms, 7(2) J. Bus. Venturing
41-55 (1996).
2United States v. Schwimmer, 892 F.2d 237, 243 (2d Cir. 1989).
3In re Six Grand Jury Witnesses, 979 F. 2d 939, 944 (2d Cir.
1992).
4Steelcase, Inc. v. Haworth, Inc., 954 F. Supp. 1195, 1198-99,
43 U.S.P.Q.2d 1041, 1043 (W.D. Mich. 1997).

1

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