Patent Lawyers In Kolkata
Patent lawyers in KolkataYour application is examined at Kolkata Patent Office.
So is our argument.
Kolkata-based applications route to the Kolkata Patent Office (the head office), and that is where we appear for FER hearings and prosecution. Fixed stage-wise fees, search reports in 48 hours, and a registered agent’s name on your filing.
Patent lawyers in Kolkata: jurisdiction, handled properly
Where your case is heard
Applications from West Bengal, Bihar, Odisha, Jharkhand, the North-East and remaining eastern states route to the Kolkata Patent Office (the head office). When a hearing is appointed, your agent appears there: ours regularly does.
Built for Kolkata’s mix
Manufacturing, chemicals and engineering (and the Section 3 objections that come with them) are our daily practice, with 2,500+ matters behind every opinion.
Everything’s electronic. Judgment isn’t.
Filings are e-filed from anywhere; what you’re choosing is who argues when it matters. Meetings by appointment or video, any day.
Fees and process are identical to our main patent guide: official fees from ₹1,600 for startups and individuals, professional fees fixed per stage.
The Kolkata Patent Office (head office), and who it covers
The Patent Office, Kolkata (head office)
Bouddhik Sampada Bhawan, CP-2, Sector V, Salt Lake City, Kolkata 700091.
West Bengal, Bihar, Odisha, Jharkhand and the North East
And every other state or territory not under the Mumbai, Delhi or Chennai offices, including Assam, Sikkim and the Andaman and Nicobar Islands.
Rule 4 of the Patents Rules
The applicant’s residence or principal place of business in India (the first-named applicant’s, if there are several). You cannot choose the office.
Kolkata situations we see every week
Patna, Bhubaneswar, Ranchi, Guwahati
Inventors in all of these are Kolkata Patent Office cases, so the advice on this page applies to them too.
Patents and trademarks sit apart
The patent office is in Salt Lake; the trademark registry is on A.J.C. Bose Road. Filings are online either way.
You do not need to travel to the office
Filing is electronic and hearings are now usually held by video conference. What matters is the argument, and we make it.
What the government charges
| Official fee (e-filing) | Individual / Startup / Small entity | Others |
|---|---|---|
| Application (Form 1, up to 30 pages and 10 claims) | ₹1,600 | ₹8,000 |
| Request for examination (Form 18) | ₹4,000 | ₹20,000 |
| Expedited examination (Form 18A, Rule 24C categories) | ₹8,000 | ₹60,000 |
The full list, renewals included, is in our patent fee calculator. Filing a provisional first? Read how provisional applications work.
Patent lawyers in Kolkata: common questions
No. Filing is electronic nationwide. What matters is that your agent appears at the Kolkata Patent Office (the head office) when hearings are appointed, and ours does. Meetings happen by appointment or video.
Jurisdiction follows the applicant’s address: applications from West Bengal, Bihar, Odisha, Jharkhand, the North-East and remaining eastern states route to the Kolkata Patent Office (the head office). The examining office matters mainly at the hearing stage: exactly the stage we’re known for.
Official fees start at ₹1,600 for individuals and DPIIT startups. Our professional fees are fixed per stage and quoted within 24 hours: the same transparent structure in every city.
West Bengal, Bihar, Odisha, Jharkhand, Assam and the other North Eastern states, Sikkim, the Andaman and Nicobar Islands, and any area not under the Mumbai, Delhi or Chennai offices.
Yes. The examining office does not limit protection: a granted Indian patent is enforceable throughout India.
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