Improvements made been to the Indian Patent Office in the last decade. The improvements were significant from the time India joined the Paris Convention and the PCT Regime was brought in to force.
The visible improvements areIndian Patent Office - Addresses of Branches and Territorial Jurisdiction
Kolkata Patent Office
Intellectual Property Office Building,
CP-2 Sector V, Salt Lake City,Kolkata-700091,
Phone : 23671945, 1946, 1987, FAX-033-2367-1988,
Email:- kolkata-patent@nic.in
Chennai Patent Office
Intellectual Property Office Building,G.S.T. Road,
Guindy, Chennai-600032,
Phone: 044-22502081- 84, FAX: 044-22502066,
Email: chennai-patent@nic.in
New Delhi Patent Office
Intellectual Property Office Building,
Plot No. 32, Sector 14,
Dwarka, New Delhi-110075
Phone : 011-28034304, 28034305, 28034306
FAX:011-28034301, 28034302
Email: delhi-patent@nic.in
Mumbai Patent Office
Boudhik Sampada Bhawan, S.M.Road,
Near Antop Hill Post Office, Antop Hill, MumbaiI - 400 037.
Phone : 24137701, 24141026, 24150381, 24148165, 24171457
FAX : 24130387
EMAIL: mumbai-patent@nic.in
Designs Wing of the Patent Office
The Patent Office(Designs Wing),
Intellectual Property Office,CP-2 Sector V,
Salt Lake City, Kolkata-700091
Phone No. 033-23671945-46, 23671987 FAX-033-23671988,
Email:- kolkata-patent@nic.in
Note : Application for Design can also be received by any of the Patent Office located at New Delhi, Chennai & Mumbai
Territorial Jurisdiction of Appropriate Office of Indian Patent Office for the Applicants
| Office | Territorial Jurisdiction |
| Patent Office Branch, Mumbai | The States of Maharashtra, Gujarat, MadhyaPradesh, Goa and Chhattisgarh and the Union Territories of Daman and Diu & Dadra and Nagar Haveli |
| Patent Office Branch, Chennai | The States of Andhra Pradesh, Karnataka, Kerala, Tamil Nadu and the Union Territories of Pondicherry and Lakshadweep |
| Patent Office Branch, New Delhi | The States of Haryana, Himachal Pradesh,Jammu and Kashmir, Punjab, Rajasthan, Uttar Pradesh, Uttaranchal, Delhi and the Union Territory of Chandigarh |
| Patent Office, Kolkata | The rest of India |
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