Paul Weiss

1285 Avenue of the Americas
New York, NY 10019-6064
212-373-3648 (direct)
212-492-0648 (direct fax)
212-373-3000 (firm)
212-757-3990 (firm fax)

A partner in the Litigation Department, Bill Michael has extensive experience in antitrust litigation, including both civil and criminal government investigations, as well as other complex commercial litigation and appellate matters.


Significant representations include:

  • Becton Dickinson in antitrust litigation, including competitor actions alleging monopolization, exclusive dealing and bundled discounts;
  • News Corporation and certain subsidiaries in a putative class action involving claims of exclusive dealing and monopolization, as well as in an antitrust action brought by a competitor;
  • A major energy company in a bid-rigging investigation by the United States Department of Justice;
  • Private equity funds in litigation regarding the purchase and sale of portfolio companies;
  • A law firm in connection with a state-law securities class action; and
  • A medical device company in breach of contract litigation arising out of a joint venture.

Bill previously served as Chair of the Editorial Board of The Antitrust Practitioner, a publication of the American Bar Association's Section of Antitrust Law Civil Practice and Procedure Committee.  Bill also has authored several articles on antitrust-related issues, for publications that include The New York Law Journal, Law360 and Competition Policy International.

Prior to joining Paul, Weiss, Bill was a trial attorney in the Antitrust Division of the United States Department of Justice, where he focused on civil merger and non-merger investigations in the telecommunications and media industries.

In law school, Bill was a senior editor of the Yale Law Journal.




  • J.D., Yale Law School, 2004
  • B.A., Columbia University, 1999
    summa cum laude


  • Hon. Barrington D. Parker, U.S. Court of Appeals, 2nd Circuit

Bar Admissions

  • New York

See Library Tab for articles, publications and presentations by William Michael

 Related Resources

Jan 29, 2016 | News

Becton, Dickinson Obtains Victory in Nationwide Class Action

Sep 28, 2015 | Publications

Federal Judge Denies FTC’s Bid to Preliminarily Enjoin Steris-Synergy Health Merger

Jul 27, 2015 | Publications

FTC’s Challenge to Family Dollar/Dollar Tree Merger Suggests Potential for Significant Increase in Merger Enforcement

Jul 02, 2015 | Publications

Federal Judge Preliminarily Enjoins Sysco-US Foods Merger and Parties Abandon the Transaction

Jun 03, 2015 | Publications

Second Circuit Applies Rule of Reason to Uphold Preliminary Injunction Preventing Manufacturer from Removing Alzheimer’s Drug from Market

Apr 13, 2015 | Publications

Third Circuit Court of Appeals Joins Other Circuits in Applying Daubert to Expert Testimony at Class Certification

Apr 03, 2015 | Videos

Omnicare: Limits on Investor Suits for Statements of Opinion

Mar 30, 2015 | Publications

Sixth Circuit Court of Appeals Adopts Below-Cost Standard for “Non-Explicit” Tying Arrangements

Mar 25, 2015 | Publications

United States Supreme Court Limits Investor Suits for Misleading Statements of Opinion

Feb 27, 2015 | Publications

Supreme Court Holds State Regulatory Board Controlled by Active Market Participants Is Not Immune from Antitrust Liability

Feb 17, 2015 | Publications

Court of Appeals Upholds Decision Unwinding Consummated Merger of Two Physician Groups Following FTC Suit

Jan 23, 2015 | Publications

Fifth Circuit Reverses Jury Verdict for Antitrust Plaintiffs, Finding Lack of Sufficient Evidence to Establish a Conspiracy

Apr 22, 2014 | Publications

Federal Court Rules “Loyalty Discounts” Do Not Violate Antitrust Laws Unless Below-Cost

Of Note

Jan 29, 2015

Benchmark Litigation Names Paul, Weiss “Antitrust Firm of the Year”

Thank you for your interest in Lawdragon.