Guillermo de la Rosa Stolk

Noel Matthew Cook is a top attorney recognized by Best Lawyers in the practice area(s) of Trademark Law. Noel Matthew, who practices law in San Francisco, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Noel Matthew is held by other top lawyers in the same geographic and legal practice area.

Troy A. Groetken, Shareholder Email: tgroetken@taftlaw.com Tel. (312) 775-8259 Practice Areas: Global Intellectual Property Portfolio Analysis, Counseling & Management; Complex Chemical, Small-molecule Pharmaceutical, and Biotechnological Patent Prosecution; Intellectual Property Acquisition, Divestiture, and Licensing; Clearance, Freedom to Operate & Invalidity Opinions; Trademark Prosecution; Antitrust; Intellectual Property Landscaping Education: Drake University, College of Pharma...

Magaly Rojas Cheng is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Magaly Rojas, who practices law in Boston, Massachusetts, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Magaly Rojas is held by other top lawyers in the same geographic and legal practice area.

Carmine R. Zarlenga is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law. Carmine R., who practices law in Washington, District of Columbia, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carmine R. is held by other top lawyers in the same geographic and legal practice area.

Ellen Hirshman is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs. Ellen, who practices law in Willoughby Hills, Ohio, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ellen is held by other top lawyers in the same geographic and legal practice area.

As an experienced health care, corporate and transactional lawyer, Mark Ison recognizes that business success requires both attention to granular details and an appreciation of the larger context in which decisions are made. He brings this perspective to his work serving both health care and non-health care industry clients, providing counsel that combines a business attorney’s practical guidance and strategic vision with an immersive understanding of each client’s operational, fi...

Serving as co-chair of the firm’s Employee Benefits and Executive Compensation Practice, Joe focuses his practice exclusively on employee benefits and executive compensation and has represented some of the largest companies in the world and many prominent “C-suite” executives with respect to such matters. Clients describe him as “efficient and easy to work with,” "an incredibly skilled employee benefits attorney," and “able to help with judgment calls on am...

Mark D. Clore is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Mark D., who practices law in Charleston, South Carolina, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark D. is held by other top lawyers in the same geographic and legal practice area.

Jeremy Harrison’s practice is focused on civil litigation for local and national businesses. His experience includes defending clients involved in tort and personal injury matters, employment disputes, toxic torts, and other areas of civil litigation. Jeremy’s experience includes procurement disputes and bid protests, litigation of contract disputes, and a wide range of commercial litigation. In addition to representation of clients actively involved in litigation, Jeremy’s ...

Herbert (Herb) Estreicher, Ph.D., has a broad practice in international environmental regulatory law, representing leading manufacturers of chemicals, pesticides, and consumer products. Clients in the chemical, nanotechnology, and biotechnology industries seek his in-depth legal and scientific knowledge of organic chemistry, risk assessment, and bioengineering stemming from his dual degrees – a Ph.D. in Chemistry and a J.D. Herb is recognized as a leading chemical regulations attorney w...