#81

K&L Gates

Pittsburgh, PA · Led by Robert Barker

Revenue

$1.5B

Lawyers

2,000+

Offices

45+

Founded

1946

About K&L Gates

K&L Gates is a truly global law firm with more than 2,000 lawyers practicing across five continents. Born from the Pittsburgh firm of Kirkpatrick & Lockhart, the firm has pursued an ambitious growth strategy through a series of landmark mergers that have made it one of the largest practices in the world. K&L Gates combines deep local knowledge with global reach to serve clients ranging from startups to sovereign nations.

Practice Areas

Corporate & Transactional

Litigation

Intellectual Property

Energy & Infrastructure

Financial Services

Policy & Regulatory

Notable Clients

PNC Financial Services

U.S. Steel

Alcoa

PPG Industries

Notable Alumni

Bill Gates Sr., co-founder of Preston Gates & Ellis and father of the Microsoft founder

Peter Kalis, former firm chairman who engineered the global expansion

Tom Ridge, former Governor of Pennsylvania and first U.S. Secretary of Homeland Security

Fun Fact

K&L Gates' name reflects its series of mega-mergers: Kirkpatrick & Lockhart merged with Nicholson Graham, then Preston Gates & Ellis (co-founded by Bill Gates' father), creating the global giant.

Visit K&L Gates

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