Chaséray L. "Chas" Griffin

John Gatz is a patent attorney who concentrates his practice on patent prosecution, patent counseling and patent litigation. John has extensive experience in the life sciences and manufacturing industries. My focus Patent Prosecution/Counseling I prosecute patents and counsel clients in a number of mechanical- and chemical-related technologies including: biomechanical devices, chemical products and processes, sensor-dispensing instruments, analyte meters, test sensors, non-invasive processes,...

Jennifer M. Mikulina is a top attorney recognized by Best Lawyers in the practice area(s) of Trademark Law. Jennifer M., who practices law in Chicago, Illinois, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer M. is held by other top lawyers in the same geographic and legal practice area.

John has more than 40 years of experience advising hundreds of financial institutions and their boards on mergers and acquisitions, bank regulatory issues, corporate governance, and securities law matters. John is straight-forward, a good sounding board and strategic thinker, meticulous, and personable. John is the founder and former co-chair of Barack Ferrazzano’s Financial Institutions Group and has advised hundreds of financial institutions on strategic, corporate governance and othe...

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

Susan is a partner in the Private Wealth Services practice group. Susan focuses her practice on sophisticated estate planning for business owners, wealthy individuals and entrepreneurs. She helps her clients transfer wealth to younger generations to achieve tax efficiencies as well as protection for beneficiaries and counsels her clients in connection with complex intrafamily issues that wealthy families often face. In addition to helping clients structure their estate plans, Susan advises cl...

Eligio Pimentel is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Eligio, who practices law in Chicago, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eligio is held by other top lawyers in the same geographic and legal practice area.

John Callahan advises clients on health sector mergers and acquisitions. Public companies, private equity firms, nonprofit health systems, academic institutions and governmental entities have trusted John to assist them in executing their most critical transactions. His unique focus on corporate and healthcare law drives an efficient and client-oriented approach to executing transactions. John is Head of International Health M&A for the Firm. Read full biography: https://www.mwe.com/peopl...

As a sought-after transactional and regulatory advisor, Patrick J. Martinez has built his practice on executing complex healthcare acquisitions and joint ventures. He represents private equity firms and their platform companies in the acquisition and divestiture of for-profit healthcare companies, as well as provider-to-provider deals. Read full biography: https://www.mwe.com/people/patrick-j-martinez/

Jonathan P. Froemel, a partner in the Chicago office of Barnes & Thornburg, is a member of the firm's Intellectual Property and Litigation Departments. Jonathan's intellectual property practice focuses on trademark prosecution and trademark, copyright and patent litigation, trademark prosecution and licensing. His litigation practice includes general commercial, construction, environmental, and real estate disputes. Jonathan represents clients in actions across the United States and has l...

With nearly 30 years of experience working with clients that include household brands and, in particular, mid-market businesses, John is able to remain calm and focused when encountering challenging environments. He helps clients to reduce stress in service of negotiating their desired resolution. Because copyright and trademark litigation is frequently used as a competitive tool, John works to ensure efficiency and preserve client resources throughout the litigation process, including elimin...