With the passage of the America Invents Act in September 2011, patent law underwent a major shift — and Sterne, Kessler, Goldstein & Fox saw a business opportunity.

The 117-lawyer intellectual property boutique, based in Washington, went beyond the obligatory client alert. A team of 40 lawyers literally wrote the book — a two-volume treatise published by Thomson Reuters Westlaw about the law’s new procedures to challenge patents. They surveyed their clients about what they wanted to know, held a seven-part webinar and put massive amounts of information online.