For over 30 years, Llewellyn Mathews has focused his practice on complex litigation and alternative dispute resolution in the state and federal courts of New Jersey. He has represented companies and individuals in many industries in matters related to general corporate and business litigation, real estate and title litigation, mortgage and lender liability, restrictive covenant and employment contract disputes, insurance coverage matters (including environmental claims), ERISA, malpractice and ethics issues, probate and estate litigation matters, and alternate dispute resolution opportunities, including mediation and arbitration. 

He is a former United States Magistrate Judge, and since 1983 has been Certified as a Civil Trial Attorney by the Supreme Court of New Jersey. He is a New Jersey Court approved mediator and arbitrator. He is a frequent lecturer and author for the Institute for Continuing Legal Education. He has been recognized as a New Jersey Super Lawyer by the publisher of New Jersey Monthly and Law and Politics magazines. 

He formerly practiced with Blank Rome LLP for fifteen years in their Commercial Litigation Practice Group. He was admitted to practice before the Supreme Court of New Jersey in 1973, the United States District Court for the District of New Jersey in 1973, the United States Patent and Trademark Office in 1975, the United States Court of Appeals for the Third Circuit in 1977, and the Supreme Court of the United States in 1978. 

After graduating from Cornell University with a Bachelor of Science degree in 1970 he continued his education at the University of Oklahoma where he was a member of the Law Review from 1971 through 1973. In 1973 he received his Juris Doctor, or JD degree as a lawyer. 

He is a member of the New Jersey State Bar Association, the Association of the Federal Bar of the State of New Jersey, the Historical Society of the United States District Court for the District of New Jersey, the Third Circuit Judicial Council Bench-Bar Relations Committee from 1998 — 1999, and a current member of the Lawyer's Advisory Committee of the U.S. District Court, NJ, and a former member of the NJ District III-B Ethics Committee, including being it's Chair in 2006. 

Seminars he has participated in include topics on Insurance Coverage Litigation, Ethics and Professionalism for In-house Attorneys, Ethics and Professional Responsibility in New Jersey, ABCs of Federal Practice, and Do's and Don'ts of Federal Practice for Advanced Practitioners. Publications he has written for, and articles he has written, include Motions and Applications Under the Local Civil Rules, for New Jersey Lawyer Magazine, and Chapter 14, Evidence, New Jersey Federal Civil Procedure, for Law Journal Press. 

Among his career highlights to date have been serving as United States Magistrate Judge (part-time) from June 15, 1983 to December 10, 1988. In that role he presided over trials (non-jury and jury) of misdemeanor and petty criminal and traffic offenses committed by both civilians and military persons on the Federal reservations at Fort Dix and McGuire Air Force Base in New Jersey, and qualifying as a New Jersey Certified Civil Trial Attorney, a qualification he has held since January 11, 1983. 

He has been the advocate in more than thirteen published cases in state and federal cases.