About Us​

90+ years of experience

15,000+ Trade Mark Applications Handled

Over 90+ Years Experience

Clients 4,000+

The Journey

  • THE CALCUTTA TRADE MARK CO. is a Legacy-driven INTELLECTUAL PROPERTY firm, proudly serving clients SINCE 1933. Founded by our visionary forefather, Shri Raghubar Dayal Sharma, our journey began with a commitment to protecting Ideas and Innovations with integrity and precision
  • For over 90+ Years, our firm has been built on the strong foundation of Trust, Ethics and Excellence.
  • In the 1960s, the baton was passed to Late Shri Om Parkash Sharma, who dedicated three decades (1960-1996) to expanding the firm’s stature and deepening it’s clients relationships across India and Internationally
  • Since the 1990s, our Legacy has been carried forward by Shri Rajesh Sharma, who continues to lead the firm with the same passion and  dedication.
  • Originally headquartered in the Historic Lanes of CHANDNI CHOWK, we are now based in ROHINI, DELHI, yet our values remain rooted in the same principles laid down in 1933: Quality over Quantity, Relationships over Revenue.
  • Over the years, THE CALCUTTA TRADE MARK CO. has proudly represented several prominent brands and Individuals, offering personalised, trustworthy, and expert services in the fields of Trade Marks, Copyrights, Designs , Patents and Intellectual Property Strategy
  • We believe that every Idea deserves protection, and every client deserves personal attention, this is the Hallmark of our legacy 

1st Generation

Late Shri Raghubar Dayal Sharma      (1933-75)

2nd Generation

Late Shri Om Parkash Sharma            (1960-1996)

3rd Generation

Shri Rajesh Sharma                              (Since 1986)