Kieran P. Ringgenberg

Partner
Oakland

t: 510 874 1013
f: 510 874 1460

kringgenberg@bsfllp.com

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Areas of Practice

Litigation

Antitrust

Class Actions

Intellectual Property

Investigations / Corporate Governance

Pro Bono

Education

New York University School of Law, J.D., magna cum laude, 1999; Order of the Coif; Executive Editor, NYU Law Review

University of Missouri - Kansas City, B.A., Philosophy, 1995; Departmental Honors

Clerkships

Hon. Pasco M. Bowman, United States Court of Appeals for the Eighth Circuit, 1999-2000

Admissions

California

Kieran Ringgenberg joined the firm's Oakland office on its founding in 2002. His practice focuses on complex commercial litigation and antitrust issues, particularly in the telecommunications and technology sectors. Mr. Ringgenberg’s experience includes:

Representing a semiconductor company in antitrust litigation against a rival regarding patent licensing and related practices;
Representing a technology firm in the health care industry in several litigations, including against securities fraud claims and with regard to a commercial dispute with a former strategic partner arising in that partner’s bankruptcy proceedings;
Representing a telecommunications firm with regard to antitrust approval of two major merger transactions;
Representing another telecommunications company with regard to antitrust issues with regard to a merger contested by government authorities;
Representing an international media company in a contract and intellectual property dispute with a strategic partner; and
Conducting an internal investigation regarding alleged labor corruption.

Selected Publications and Presentations

United States v. Chrysler: The Conflict Between Fair Warning and Adjudicative Retroactivity in D.C. Circuit Administrative Law, 74 NYU L. Rev. 914 (1999)