Helpline for General Queries : 1800-110-989 (10:00 AM – 6:00 PM, except Govt. Holidays)
Open House Portal for Submitting Grievances Online

(Preferred Mode of Communication)

Patents

Phone 1800-110-989
Email ipo[dash]helpdesk[at]nic[dot]in

Trade Marks

Phone 1800-110-989
Email tmr[dash]helpdesk[at]nic[dot]in

Intellectual Property Offices

Intellectual Property Office, Delhi O/o the CGPDTM,
Patent Office,
Trade Marks Office,
Copyright Office & SICLDR 		Bouddhik Sampada Bhawan,
Plot No. 32, Sector 14,
Dwarka, New Delhi – 110078
Intellectual Property Office, Mumbai Patent & Trade Marks Office Bouddhik Sampada Bhawan,
S. M. Road, Antop Hill,
Mumbai – 400037
Intellectual Property Office, Chennai Patent Office,
Trade Marks Office &
Geographical Indications Registry 		Intellectual Property Building,
G.S.T. Road, Guindy,
Chennai – 600032
Intellectual Property Office, Kolkata Patent Office & Designs Wing
Trade Marks Office 		CP-2 Sector V, Salt Lake City,
Kolkata – 700091
Nizam Palace, 2nd M.S.O. Building,
7th Floor, 234/4 A.J.C. Bose Road,
Kolkata – 700020
Intellectual Property Office, Ahmedabad Trade Marks Office Bouddhik Sampada Bhawan,
Near Chanakyapuri Overbridge,
Besides AMC City Civic Centre,
Ghatlodia, Ahmedabad – 380061,
Gujarat, India
Intellectual Property Office, Nagpur RGNIIPM 3, Hislop College Road,
Civil Lines,
Nagpur – 440001
Prof. (Dr) Unnat P. Pandit
Controller General of Patents, Designs & Trade Marks Registrar of Copyrights & Geographical Indications

Office Address
Bouddhik Sampada Bhawan, Plot No. 32, Sector 14, Dwarka, New Delhi - 110078

cgoffice[dot]in[at]gov[dot]in

For personal appointment:

appointment[dash]cgpdtm[at]gov[dot]in