Tyler D. Alfernann

Samantha Maxfield Lerner is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Samantha Maxfield, who practices law in Chicago, Illinois, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Samantha Maxfield is held by other top lawyers in the same geographic and legal practice area.

Amy Van Gelder is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Amy, who practices law in Chicago, Illinois, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Amy is held by other top lawyers in the same geographic and legal practice area.

Todd Schafer is recognized as one of the best trial lawyers of his generation. As the son of founding partner Timothy Schafer, Todd was immersed in the courtroom at an early stage of his career and was given an opportunity to try many cases at a young age. Demonstrating exceptional skill and tenacity, he quickly earned a reputation for winning challenging cases and achieving remarkable results, even in conservative jurisdictions. At just 30 years old, Todd secured a landmark $32.5 million ver...

Marcelo Halpern is a partner with the firm's Business practice and a member of the Technology Transactions & Privacy group. Marcelo's practice focuses on transactional, strategic and corporate representation of global "FORTUNE 100" companies, start-up and emerging growth companies, as well as U.S.-based and international governments and non-profits. His experience includes structuring and negotiating technology and intellectual property-oriented strategic alliances and joint ventures; sof...

Grant H. Peters is a partner in the Chicago office of Barnes & Thornburg, a member of the Intellectual Property Department, co-chairman of the Climate Change Practice Group, a member of the Professional Responsibility Committee, and a member of the Internet and Technology Law, Advertising and Marketing, and Nanotechnology Practice Groups. Grant is an experienced attorney with a broad national and international practice focused on intellectual property development, management, protection, ...

David R. Doyle is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. David R., who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David R. is held by other top lawyers in the same geographic and legal practice area.

Lee is an intellectual property litigator and advisor who manages sophisticated portfolios for clients with worldwide operations. His practice includes the full range of intellectual property dispute and transactional matters, with an emphasis on trademark, copyright, trade secret, trade dress, privacy and litigation. Lee serves as lead counsel before state and federal courts and administrative agencies throughout the country, and he also coordinates efforts to resolve similar international d...

Peter J. McAndrews is a Shareholder at McAndrews and practices in all areas of intellectual property and complex technology law. He has been involved in all aspects of patent litigation, acquisition and counseling, involving a broad spectrum of electrical, biomedical and mechanical technologies. Peter is a US Patent and Trademark Office-to-Appeals Court patent attorney and litigator who helps his clients secure intellectual property rights, make smart decisions with those rights and litigate,...

Maureen O'Brien is a partner in the Chicago office of Kirkland & Ellis LLP. Maureen's practice includes a broad range of employee benefits and executive compensation matters, and she has extensive experience with the M&A aspects of employee benefits and executive compensation, including strategic and private equity transactions. Maureen advises clients on the design and implementation of qualified and nonqualified retirement plans, welfare plans, Section 409A matters and equity and in...

Allan Muchin co-founded the law firm that bears his name. What began in 1974 as the 24-attorney firm Katten Muchin Zavis has today become Katten Muchin Rosenman LLP, with more than 600 attorneys worldwide. Allan began his legal career as a trial attorney for the Internal Revenue Service. When he helped launch Katten Muchin Zavis, he and his partners set out to create a law firm that was innovative, specialized and entrepreneurial. His practice concentrated on advising corporations, partnershi...