There are four patent office in India located at New Delhi, Mumbai, Chennai and Kolkata and depending upon territorial jurisdiction where the Applicant is located; the application has to be filed. For foreign applicant the application has to be filed before the patent office within whose territorial jurisdiction the agent/ attorney for applicant is located.
Patent filing in India
The basic mandatory requirements for filing an ordinary patent application in India are as follows:
1. Name, address, particulars and nationality of applicant/s for patent
2. Name, address and nationality of inventor/s of patent
3. Provisional specification or complete specification with description, claims, abstract, drawings