Gregory T. Demers

Perrin Rynders has successfully prosecuted and defended a wide variety of business and commercial disputes, employment cases, product liability and personal injury cases, and tax matters. He has conducted jury and bench trials in federal and state courts around the country, as well as before administrative tribunals and arbitrators, and has resolved disputes as a facilitative mediator.

Mark A. Snover is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Mark A., who practices law in Bloomfield Hills, Michigan, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark A. is held by other top lawyers in the same geographic and legal practice area.

Robert A. Buchanan is a top attorney recognized by Best Lawyers in the practice area(s) of Municipal Law. Robert A., who practices law in Grand Rapids, Michigan, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert A. is held by other top lawyers in the same geographic and legal practice area.

Mr. Hempstead concentrates his practice primarily in the areas of income, estate and gift tax planning for high net worth individuals, estate and trust administration, trust litigation, and charitable trusts and foundations. He is a member of the Probate and Estate Planning and Taxation sections of the State Bar of Michigan. He is also a member of the Financial and Estate Planning Council of Detroit. Mr. Hempstead was admitted to practice before the United States Tax Court in 1979. Crain&rsqu...

John P. Rondini is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. John P., 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 P. is held by other top lawyers in the same geographic and legal practice area.

Frank’s practice focuses on intellectual property litigation. Frank has successfully tried patent, trademark, trade secret and copyright cases in Federal Courts nationwide, the Courts of Appeals for the Sixth and Federal Circuits, and the International Trade Commission. As a registered patent attorney, Frank is authorized to practice before the U.S. Patent and Trademark Office. Frank has been lead counsel for a wide variety of clients, from individuals to major corporations, in intellec...

Douglas A. Donnell graduated magna cum laude from Miami University with a bachelor's degree in Economics and received his law degree with honors from Boston College Law School. Doug specializes in environmental law and commercial litigation and has represented both public and private sector clients and individuals in these areas since 1979. He is a member of the Environment, Energy and Natural Resources Section of the American Bar Association and the Environmental Law Section of the Michigan ...

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...

Raj A. Malviya has been practicing law since 2005. His practice is focused on estate and tax planning and asset protection for individuals and organizations, planning and tax compliance for individuals and families with foreign ties, and all aspects of estate and trust administration. Estate and Wealth Transfer Planning Mr. Malviya works with private clients such as business owners and licensed professionals in high risk professions including physicians, dentists, chiropractors, architects, a...

Shirley A. Kaigler is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Shirley A., who practices law in Southfield, Michigan, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Shirley A. is held by other top lawyers in the same geographic and legal practice area.