Press Release

Haynes Boone Welcomes Antitrust M&A Partner Paul Feinstein to Washington, D.C. Office

February 17, 2026

Haynes Boone is pleased to share that Paul Feinstein has joined the firm as a partner in the Mergers and Acquisitions Practice Group. He will be based out of Haynes Boone’s Washington, D.C. office.

Feinstein joins the firm from Venable LLP, where he began his legal career and built more than 12 years of transactional antitrust experience. He also has an extensive background in antitrust litigation and investigations, providing strategic counsel to clients across a wide range of industries.

His practice is focused on navigating Hart‑Scott‑Rodino (HSR) reportability and filings, advising clients on antitrust risks in potential transactions, negotiating antitrust terms in purchase agreements and designing and managing clean‑team protocols to facilitate due diligence. Feinstein also guides transactions through agency merger investigations and counsels clients on preclosing coordination and integration issues.

Drawn to Haynes Boone’s Mergers and Acquisitions practice, Feinstein described the firm as the ideal setting to deepen the merger side of his antitrust work. “Haynes Boone offers a premier M&A platform, with room for dedicated transactional antitrust support,” he said. “I look forward to helping build out this specialty and collaborating closely with teams across the firm on sophisticated transactions.”

Feinstein’s addition strengthens both the firm’s Washington, D.C. office and M&A practice, while offering his clients access to a highly regarded transactional team with deep knowledge handling complex corporate matters.

“We are excited Paul is joining our team. His deep and substantive experience bolsters our service to clients navigating complex antitrust issues in M&A transactions,” said Tom Harris, chair of the Mergers and Acquisitions Practice Group.

Haynes Boone’s Mergers and Acquisitions Practice Group has comprehensive experience handling middle-market deals, having helped clients close more than 500 transactions in the last five years, with an aggregate value exceeding $50 billion. The firm routinely represents private equity firms, closely held corporations, founders, large financial institutions and Fortune 500 public companies.

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