Boult Wade Tennant
Firm overview:
Technical excellence and advocacy before the European Patent Office (EPO) remain central to Boult Wade Tennant’s standing in the UK market. The practice continues to attract sophisticated patent mandates across engineering, chemistry and materials science, with peers highlighting the firm’s strength in opposition work and describing it as a natural benchmark among specialist patent attorney firms. Boult’s reputation for strategic portfolio management and commercially astute prosecution ensures it retains its place among the market leaders.
Team overview:
Rohan Setna leads a team recognised for its expertise in chemistry, materials science and EPO proceedings. The wider practice draws praise for its collaborative culture and depth across engineering and life sciences, with peers noting they would have “no hesitation” referring conflict work to the firm because of its consistently high standards.
Setna remains one of the profession’s leading opposition specialists, appearing in an exceptional number of EPO hearings each year. A senior partner at the firm, he represents clients in industries including polymers, catalysts, food and beverage, metallurgy and coatings.
Key matters:
- EPO opposition to cell therapy patent
Boult acted for unnamed parties which successfully challenged a European patent relating to T cell therapeutic manufacturing methods held by Bristol Myers Squibb subsidiary 2seventy bio.
The EPO Board of Appeal revoked the patent entirely.
