César Puntriano Rosas

Steven I. Peretz is a top attorney recognized by Best Lawyers in the practice area(s) of Copyright Law, Litigation - Intellectual Property and Trademark Law. Steven I., who practices law in Miami, Florida, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven I. is held by other top lawyers in the same geographic and legal practice area.

"Not only am I committed to providing high quality legal services, I am also pragmatic and collaborative in my approach. I enjoy assisting clients with legal matters and supporting their business vision and strategies." I am passionate about representing my clients in an approachable manner. I strive to address their concerns with a balance of strong business and analytical skills, coupled with energy, integrity – and a sense of humor. I have more than 30 years of experience in all type...

Building on work experience in the computer industry, Gregg Kirchhoefer's practice is focused on transactional and counseling matters primarily involving information technology, telecommunications, eCommerce, artificial intelligence, robotics, life sciences, pharma, biotechnology, other technologies, and intellectual property, corporate and commercial issues. Gregg founded the Firm’s intellectual property/technology transactions and outsourcing practice groups. In addition, Gregg works ...

Eric W. Penzer is a trust and estate litigator representing high-net-worth individuals and families. Eric is a trusted advisor for clients involved in complex challenges related to generational wealth and asset transfer. As an experienced trial lawyer, Eric provides strategic representation in contested probate proceedings, fiduciary accounting disputes, discovery and turnover proceedings, and other trust and estate matters. He is known for being responsive, fair, and committed to achieving f...

Donald Pfundstein is the former legal counsel to the New Hampshire State Senate. He continues to be listed in Woodward/White Inc.’s The Best Lawyers in America® , and was named by Best Lawyers as Concord's 2013 "Lawyer of the Year" in Government Relations. He has practiced law for more than 30 years. Previously, Don served as the firm's president and managing director. Don’s practice focuses on the regulated industries. He regularly appears before various executive agencies in...

Abby Rosmarin is a top attorney recognized by Best Lawyers in the practice area(s) of Collaborative Law: Family Law and Family Law Mediation. Abby, who practices law in White Plains, New York, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Abby is held by other top lawyers in the same geographic and legal practice area.

Jason focuses on complex disputes and transactions relating to software and networking technologies. He works with a variety of businesses—from startups to Fortune 500 companies—to aggressively resolve intellectual property (IP) matters. He has litigated copyright infringement, trade secret misappropriation, patent infringement, trademark infringement, breach of contract, and related claims. Jason has also represented clients in disputes pertaining to ownership of IPv4 address blo...

Richard Tubertini is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships), Commercial Litigation and Professional Malpractice Law - Defendants. Richard, who practices law in Gulfport, Mississippi, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Richard is held by other top lawyers in the same geographic and legal practice area.

David J. Ritter, Jr. focuses his practice in the following areas: estate planning, estate administration, corporate organization, corporate transactions, commercial loans, and healthcare. David is knowledgeable in preparing wills, revocable trusts, living wills, powers of attorney, and healthcare agent designations. He advises clients on the many ways to structure these documents, including creating trusts to hold assets for the benefit of children or loved ones, and establishing an estate pl...

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