Department profile
Troutman Pepper Locke LLP

Antitrust

USA Guide 2026 : Pennsylvania

Share profile

Troutman Pepper Locke LLP

Rankings

About

Provided by Troutman Pepper Locke LLP

In a landscape where federal, state, and international antitrust investigations and enforcement continue to increase, companies need legal counsel that understands their business goals and anticipates and addresses the key risks and opportunities impacting their business. Our experienced and knowledgeable global antitrust team advises and champions international and domestic clients across all major industry sectors — from obtaining merger clearances in competitive transactions, to defending class action cases and competitor lawsuits, to navigating competitor collaborations, intellectual property arrangements, compliance, and other antitrust matters.

Our attorneys are first-chair courtroom advocates in civil and criminal litigation, experienced negotiators who interface with state and federal antitrust enforcement agencies, and full-service counselors who identify and mitigate potential transaction and conduct risks. Representing a diverse range of companies — from Fortune 100 corporations and national business associations to new market entrants — we provide comprehensive, practical, and commercial approaches to antitrust solutions tailored to each client’s unique needs.

Chambers Review

Provided by Chambers

Antitrust - Pennsylvania

Band 2

What the Team is Known For

Troutman Pepper Locke LLP houses a strong group with a well-established presence in the Pennsylvania antitrust market. It has particular expertise in class action litigation cases within the healthcare and pharmaceutical sectors, and is noted for its handling of cases at the intersection of IP and antitrust law. It is additionally proficient in representing clients within the manufacturing and construction industries. The team is also noted for its provision of merger clearance advice to corporate and private equity clients.

View ranking table

Work Highlights

Provided by Chambers

  • Troutman Pepper Locke LLP represented Big Heart Pet Brands in direct and indirect purchaser class actions, and individual direct purchaser actions related to alleged price fixing of packaged tuna.

Strengths

Provided by Chambers

  • The lawyers are very knowledgeable on legal elements and also have very good relationships with both plaintiffs and defense counsel, resulting in co-ordination.

    Antitrust respondentUSA

  • The firm has skilled defense counsel who are professional, smart and understand antitrust law.

    Antitrust respondentUSA

  • The team is very down-to-earth, business-minded, practical and responsive

    Antitrust respondentUSA

Notable Practitioners

Provided by Chambers

  • Barbara T Sicalides
    Barbara T Sicalides

    Barbara T Sicalides

    Barbara Sicalides is considered an expert in a range of antitrust matters, including defending investigations brought by the Department of Justice, advising corporations on compliance issues and working on price-fixing cases.

    • She is practical and business-minded.

      Antitrust respondentUSA

    • Barbara is the bomb. She has tremendous insight into the healthcare market and can provide a lot of insight.

      Antitrust respondentUSA

    • Barbara is a recognized expert in the field and can speak fluently at a very technical legal level. At the same time, she adroitly provides pragmatic, actionable advice to her clients.

      Antitrust respondentUSA
    View profile
  • Robin P Sumner
    Robin P Sumner

    Robin P Sumner

    Robin Sumner has excellent capacity to effectively handle antitrust cases for pharmaceutical and healthcare companies.

    • She is a very good, practical, smart and reasonable defense bar attorney.

      Antitrust respondentUSA
    View profile

Ranked Individuals at Troutman Pepper Locke LLP (2)

Pennsylvania

Members

Provided by Troutman Pepper Locke LLP

Troutman Pepper Locke LLP has rankings in the following guides

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership