S. Majumdar & Co.

Established: 1993 | Number of Professional Staff: 44
Operates in India

Provided patent filings

PCT National Phase Entry

RWS PCT agent in India

Direct Filing

RWS Direct (Paris Convention) agent in India
Rated amongst the top-tier patent firms in India, S. Majumdar & Co. (SMCO) was established in 1993 and now has multiple offices across the country in strategic locations like Kolkata, Mumbai, New Delhi, Hyderabad and Bangalore.
SMCO has extensive experience in drafting, prosecution, oppositions and litigation in relation to IP matters. The firm specializes in the practice of intellectual property law, including patents, trademarks, industrial designs, copyright, trade secrets, novelty and infringement searches, filing and prosecution of trademark and patent applications, investigations on intellectual property rights matters and related matters.
The firm’s skill in prosecution is well known in the patent community. SMCO has prosecuted in excess of 16,000 applications in diverse areas of technology and with a very high success rate. It also has extensive experience in patent oppositions and has a success rate of over 70%. It has successfully handled highly sensitive opposition cases for its clients.


  • Biotechnology
  • Chemical Sciences
  • Electrical
  • Electronics
  • Life Sciences
  • Mechanical
  • Medical Technology
  • Pharmaceutical
  • Software
  • Telecommunications
  • Textile Engineering


5, Harish Mukherjee Road, Kolkata - 700 025, West Bengal, India


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