Juan A. Stupenengo

Bradley S. Zimmerman is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs and Personal Injury Litigation - Plaintiffs. Bradley S., who practices law in New York, New York, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bradley S. is held by other top lawyers in the same geographic and legal practice area.

Keith P. Felty is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Defendants. Keith P., who practices law in Southfield, Michigan, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Keith P. is held by other top lawyers in the same geographic and legal practice area.

Christina Graham works with real estate developers, owners and operators on projects of all types and asset classes throughout the U.S. She is especially known for her counsel regarding commercial real estate acquisitions and dispositions, development, financing, and tax-free exchanges. She also works closely with the firm’s infrastructure team on public/private partnership matters. Christina has particular depth representing industrial developers and owners in the development and finan...

Alan T. Rogers is a top attorney recognized by Best Lawyers in the practice area(s) of Bet-the-Company Litigation, Commercial Litigation and Insurance Law. Alan T., who practices law in Birmingham, Alabama, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alan T. is held by other top lawyers in the same geographic and legal practice area.

John Denkenberger is the managing member of COJK, a member of the firm's executive committee, and chair of the litigation practice group. John has successfully litigated patent, trademark, trade secret, and unfair business competition issues in federal and state courts. He has also successfully litigated AIA post-grant challenges, including inter partes review, before the Patent Trial and Appeal Board. In addition to his litigation practice, John also advises clients on foreign and domestic p...

Zack Higbee is a patent attorney known for building exceptional patent portfolios and helping clients navigate competitor IP. With particular experience with fintech/insurtech, electromechanical systems, and biomedical devices, Zack partners with clients to offer tailored solutions and valuable guidance to protect client IP and drive growth with a focus on long-term value and freedom to operate. Zack is a registered patent attorney practicing all aspects of U.S. and international patent prose...

Mark Goodman defends mid- to large-sized self-insured employers, insurance companies and governmental entities throughout the state of Georgia in workers' compensation claims. He also handles claims brought against nursing homes. A 35-year veteran of the practice, Mark has handled hundreds of mediations and hearings throughout his career. He currently serves on the Georgia State Board of Workers’ Compensation Chairman’s Advisory Committee, providing input on legislation, rules and...

Russell Austin has extensive experience in real estate and business law. He has planned, negotiated, and documented a complete array of real property transactions and supporting documentation, including purchase and sale transactions, exchanges, syndications, partnership and LLC formations, and a wide variety of financing transactions for owners/developers, institutional and private lenders, conservation organizations and other non-profit organizations, and public agencies, including conserva...

Dena Sharp is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law, Litigation - Antitrust and Mass Tort Litigation / Class Actions - Plaintiffs. Dena, who practices law in San Francisco, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Dena is held by other top lawyers in the same geographic and legal practice area.

Mayer S. Klein is a top attorney recognized by Best Lawyers in the practice area(s) of Closely Held Companies and Family Businesses Law and Litigation - Real Estate. Mayer S., who practices law in Clayton, Missouri, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mayer S. is held by other top lawyers in the same geographic and legal practice area.