Ford, who focuses on patent matters relating to internet service provision, oil and gas recovery and semiconductors, works out of the firm’s Cambridge office.
Stafford is based in the firm’s Manchester office and focuses on patent and design matters in life sciences.
Ferdinand is a trademark attorney in the firm’s Birmingham office and has more than 10 years of experience in trademarks. He covers a wide range of areas, including food drink and apparel.
David Ward, UK managing partner of Marks & Clerk, said: “We are delighted to welcome Esther Ford, Jonathan Stafford and John Ferdinand into partnership.”
“Each of them is widely celebrated for the quality of counsel they provide to clients and these promotions are both reflective of their contribution to the business and our ongoing commitment to investing in our people and the firm.”