He was a law clerk to Judge David L. Bazelon of the United States Court of Appeals for the District of Columbia Circuit and later as a law clerk to U.S. Supreme Court Justice William J. Brennan Jr.[4] Following his clerkship with Justice Brennan, Kindler practiced civil and criminal litigation at the Washington, D.C., firm of Williams & Connolly, where he became a partner.
[6][7] In 1994, Kindler worked with future Assistant Attorney General for the U.S. Department of Justice Antitrust Division William Baer and renowned trial lawyer Dan Webb on the winning litigation team tasked with defending GE against diamond price-fixing claims.
Although GE was acquitted at trial, De Beers was also charged and subsequently pleaded guilty to keeping prices in the worldwide industrial diamond market artificially high.
[4] Under Kindler's leadership as vice chairman and general counsel, Pfizer provided legal support for families of 9/11 victims, among other pro bono efforts.
[11] The acquisition gave Pfizer access to Wyeth's entire product line, eight late-stage clinical trials, and four compounds awaiting FDA approval.
[12][13][14] Kindler established Pfizer's program to distribute more than 70 of its medications for free to people who meet certain criteria, including job loss and the absence of prescription drug insurance.