Andrew W. Mayoras

Marc is the Co-Chair of Brooks Kushman's intellectual property litigation practice. He has been instrumental in building, developing, and growing the team. Throughout his career, Marc has successfully tried patent, trademark, trade secret and copyright cases in Federal Courts nationwide. Marc has successfully argued appeals before the Federal Circuit including a leading decision on 101 jurisprudence, Ancora Techs., Inc. v. HTC Americas, Inc. , 908 F.3d 1343 (Fed. Cir. 2018). Marc, as lead cou...

Experience Mr. Horton has been trying lawsuits for over 25 years. He primarily practices in the areas of business and commercial disputes, employment law, and real estate cases. Many cases are related to the automobile industry. Bill is certified as a Civil Trial Specialist by the National Board of Trial Advocacy, the foremost national organization to certify trial skills. In business litigation, Bill has tried numerous shareholder disputes, claims of misappropriation of trade secrets, breach...

William B. “Bill” Acker is a shareholder, director, and corporate vice president at Kemp Klein in Troy, Michigan. His practice focuses on Litigation and Controversy – Tax , Tax Law , Trusts and Estates , and Real Estate Law. Bill represents businesses, property owners, and individuals in complex tax disputes, estate planning matters, and real estate transactions and controversies. Bill holds an “AV” peer review rating from Martindale-Hubbell Law Directory, the hi...

Richard C. Bruder is a business attorney in Troy, Michigan with Kemp Klein who works with entrepreneurs, investors, and closely held companies on complex business transactions and long-term growth planning. His practice focuses on Business Organizations (including LLCs and Partnerships), Closely Held Companies and Family Businesses Law , Mergers and Acquisitions Law , and Venture Capital Law . Richard represents growing companies, angel investors, venture capital funds, and second-stage busin...

Mark Jotanovic, a registered patent attorney, practices out of the firm’s Troy office. He focuses his practice on intellectual property litigation and patent prosecution involving electrical, electro-mechanical, and software matters. He has worked in a wide range of electrical and computer technologies, including artificial intelligence (focusing on image recognition, machine learning, and neural networks), autonomous vehicles, cloud computing, smart home environments, and product desig...

John Chau is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Patent Law. John, who practices law in Royal Oak, Michigan, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area.

Richard E. Rassel, III focuses his practice primarily on the areas of business, real estate, and land use litigation as well as business and real estate transactions. Richard’s clients include public and private companies across a wide spectrum of industries such as real estate, engineering, telecom, manufacturing, automotive, insurance, health care , retail, technology, staffing, investment funds and trusts. In 2016, Richard assisted in closing three significant M&A deals and recov...

Brian E. Etzel is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Employment Law - Individuals. Brian E., who practices law in Birmingham, Michigan, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian E. is held by other top lawyers in the same geographic and legal practice area.

Ms. Piper specializes in workplace law, education law, and litigation. She represents and counsels employers on contemporary employment law issues, such as workplace bullying; social media issues; background checks; and employee privacy; as well as traditional employment law issues such as discrimination, sexual and other forms of illegal harassment, and retaliation issues; accommodating employees with disabilities; FMLA issues; wage and hour issues; reductions-in-force, discipline and discha...

Donald J. Gasiorek is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Individuals and Litigation - Labor and Employment. Donald J., who practices law in Farmington Hills, Michigan, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Donald J. is held by other top lawyers in the same geographic and legal practice area.