Fourth Annual Chicago Forum on International ... - Mayer Brown

associations. She has counseled companies with large or dominant market shares on a
variety of practices, including exclusionary conduct, essential facility, refusals to deal,
tying arrangements, bundled discounts, and resale pricing. She also has addressed
antitrust intellectual property issues in licensing and pooling agreements, and she was
involved in an FTC investigation involving standard setting and related intellectual
property issues.
Ms. Busey has been recognized for at least a decade as a leading antitrust authority by
Chambers USA America’s Leading Business Lawyers; The Best Lawyers in America;
Who’s Who in America; Competition & Antitrust Expert Guide; Global Counsel,
Competition Law Handbook; Guide to the World’s Leading Competition and Antitrust
Lawyers; Illinois Leading Lawyers Network; Illinois Top 50 Business Lawyers; Illinois
Top 10 Women Lawyers; and Illinois Top 10 Women Litigators.
Ms. Busey is a frequent lecturer and author on antitrust issues. She has been co-chair
of the Practicing Lawyers Institute’s antitrust program in <strong>Chicago</strong> for over a decade,
where she regularly speaks on Relationships Among Competitors. She also regularly
speaks on Antitrust Counseling for the Antitrust Section’s biannual Master’s Program.
She has testified before the FTC on Mergers, Joint Ventures; Efficiencies and Global
Competition; Intellectual Property; and Health Care. She is also one of the founders of
the annual <strong>Chicago</strong> <strong>Forum</strong> on International Antitrust Issues sponsored by the Searle
Foundation and Northwestern Law School.
Ms. Busey received her law degree from Northwestern Law School.
MILDRED L. CALHOUN retired in June 2011 after 12 years as the Senior Antitrust and
Trade Regulation lawyer at BP America Inc., the US affiliate of BP plc, one of the
world’s largest integrated oil companies. Her practice included counseling on antitrust
issues in all of BP’s businesses, including exploration and production of oil and gas,
refining and retail gasoline sales, chemicals and commodities trading. She was
responsible for BP’s US antitrust compliance programs and conducted many hours of
training programs worldwide every year. She supported BP’s Mergers & Acquisition
Group in providing market analysis and merger counseling. This includes responsibility
for Hart Scott Rodino filings and advice.
Prior to joining BP in 1999, Ms. Calhoun was employed by the Antitrust Division of the
United States Department of Justice for seventeen years.
Ms. Calhoun has written and lectured on topics relating to antitrust. She has been a
member of the faculty of the Practicing Law Institute’s <strong>Annual</strong> Antitrust Law Institute
since 2002 and was an adjunct member of the faculty of the Indiana University School
of Law at Indianapolis.
She was Chair of the Antitrust & Unfair Competition Law Section Council of the Illinois
State Bar Association from 2008-2009. She is a member of the American Bar
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