Guy Castegnaro

Steve McNiff's background in electrical engineering, as well as his proven, cost-effective problem-solving skills make him the right counsel to aid clients in the fast-paced world of IP. His practice includes all areas of intellectual property litigation and counseling, with a particular emphasis on patent litigation and enforcement. Steve has represented clients in patent infringement lawsuits in the International Trade Commission and federal district courts across the United States, includi...

Karen Chapman is a Member in Sherman & Howard’s Corporate and Business Department. She is a highly respected specialist in mergers and acquisitions and corporate financings, leading teams that close sophisticated transactions valued in the hundreds of millions and billions of dollars. Karen plays a preeminent role representing airlines in jet fuel storage and distribution system leasing, contract and financing matters at major airports throughout the United States. Karen’s pra...

Justin Howard is co-leader of the firm’s Mergers & Acquisitions Group. He represents public and private companies across a variety of industries in complex mergers and acquisitions, including leveraged acquisitions and dispositions of portfolio investments by private equity funds. He also represents issuers and underwriters in public and private offerings of debt, equity and convertible securities and advises public companies regarding a variety of corporate governance matters. Mr. ...

Bryan focuses his practice on advising privately-held business and their owners with respect to mergers and acquisitions, entity formation and operation, sales, purchases and leasing of real estate, commercial real estate, private placements of securities, and wills, trusts and business succession planning. Bryan is a past member of the Board of Governors of the Colorado Bar Association.

Joseph E. Lastowka, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Joseph E., who practices law in Media, Pennsylvania, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joseph E. is held by other top lawyers in the same geographic and legal practice area.

With comprehensive knowledge across all asset classes, Dana Clayton represents clients in real estate litigation in federal and state court. Her clients include Fortune 100 financial institutions, REITs, developers, retailers, and public and private real estate companies in disputes in financing, sales, dispositions, construction, breach of contract, development, landlord tenant, brokerage commission, eminent domain, and other matters. Dana also represents national retailers in land use, envi...

Myla R. Reizen is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Myla R., who practices law in Miami, Florida, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Myla R. is held by other top lawyers in the same geographic and legal practice area.

Jennifer McGahey has extensive experience in both commercial litigation and labor and employment matters. She represents clients in a variety of industries, such as e-commerce, natural resources, government contract, healthcare, pharmaceutical, and retail, and her clients range from large publicly-traded companies to small family-owned businesses. Jennifer has litigated cases ranging from a single plaintiff to class action to the federal government. Jennifer handles cases across the country a...

Timothy K. Sendek is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Timothy K., who practices law in Chicago, Illinois, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Timothy K. is held by other top lawyers in the same geographic and legal practice area.

John C. Taylor is a nationally recognized trial lawyer in California. The broad variety of cases he has tried during his career is matched by few attorneys, trying more than 135 cases to verdict, including: police shootings and civil rights, sexual abuse, serious personal injury, wrongful death, products liability, insurance bad faith, and employment. Among his record-setting outcomes are: $57.5 million verdict in an insurance bad faith action arising from an aviation accident resulting in th...