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BEST RATED KOLKATA, WB PATENT LAWYERS हिन्दी

3 Best Patent Lawyers in Kolkata, WB

Expert-recommended Top 3 Patent Lawyers in Kolkata, West Bengal. All of our patent advocates face a rigorous 50-Point Inspection, which includes customer reviews, history, complaints, ratings, satisfaction, trust, cost and their general excellence. You deserve only the best!

Biswajit Sarkar Advocates-IP Attorneys
Biswajit Sarkar Advocates-IP Attorneys
Kolkata Patent Lawyers Biswajit Sarkar Advocates-IP Attorneys video
6+ YEARS IN TBR
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BISWAJIT SARKAR ADVOCATES-IP ATTORNEYS

(4.9 Score)
P 25 C. I. T. Road , Scheme VIM (S) , First Floor, Kankurgachi,
Kolkata, WB 700054 Directions

Since 1990

Speciality:

✓ Patent ✓ Trademark ✓ Copyright ✓ Industrial Design ✓ Geographical Indication ✓ DMCA ✓ Corporate Law

"Biswajit Sarkar Advocates-IP Attorneys' team is known for their proactive approach and sincere desire to assist clients in finding innovative and creative solutions to difficult problems. Their highly skilled lawyers deal with trademark search, registration, litigation and copyright registration. The team at Biswajit Sarkar Advocates-IP Attorneys always moves in a proactive way to provide solutions to matters in a time-bound manner. They are also associated with several national and international chambers of commerce. Biswajit Sarkar Advocates-IP Attorneys' working systems are powered by information technology and can process and receive information almost instantly.

2026 Update: Biswajit Sarkar is the founder of Biswajit Sarkar Advocates-IP Attorneys. They have two international offices and a strong network of top-level professionals, and they undertake matters across the globe."

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Contact:

033 2364 9001 99039 02299

Mon-Fri: 9am - 7:30pm
Sat: 9am - 4:30pm
Sun: Closed

TBR® Inspection Report:

L.S. Davar & Co.
L.S. Davar & Co.
Kolkata Patent Lawyers L.S. Davar & Co. video
8+ YEARS IN TBR
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L.S. DAVAR & CO.

(4.9 Score)
Globsyn Crystals, Tower 1, 2nd Floor, Block EP, Plot No.11 & 12, Salt Lake, Sector V,
Kolkata, WB 700091 Directions

Since 1932

Speciality:

✓ Patents ✓ Trademarks ✓ Copyrights ✓ Designs ✓ Geographical Indications ✓ Trade Secret ✓ Contracts ✓ IP and Corporate Advisory ✓ Litigation ✓ Dispute Resolution ✓ Media and Entertainment ✓ Cyber and Data Protection ✓ IP Transactions

"L.S. Davar & Co. has been evolving day in, day out to act as a trusted IP partner of global large and mid-sized companies and foreign IP law firms. Their Managing Partner, Dr. Joshita Davar Khemani, is heading a team of over 300 professionals. S. Davar & Co. has been widely acknowledged and awarded by the Government of India and various notable and renowned IP organisations for addressing multi-disciplinary IP challenges of all types of protection of IP and contentious matters in different forums. L.S. Davar & Co. has offices located in New Delhi, Kolkata, Bengaluru, Mumbai, Chennai, and Hyderabad.

2026 Update: L.S. Davar & Co. has consistently delivered exceptional value in patent prosecution, as reflected by an average client retention rate exceeding 35 years in this domain. They provide legal advice to a diverse clientele that includes Fortune 500 companies, multinational corporations, sovereign governments, and leading IP firms worldwide. The firm actively participates in consultations, conferences, and task forces organised by key industry and professional bodies, including CII, FICCI, FICPI, AIPPI, INTA, APAA, and ECTA."

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The Most Trusted IP Law Firm of India by Economic Times

Contact:

033 2357 1010 033 2357 1020

Mon-Fri: 10am - 6pm
Sat: 10am - 2pm
Sun: Closed

TBR® Inspection Report:

Advocate Alok Mohan Saha - TRADE MARK REGISTRATION BUREAU
Advocate Alok Mohan Saha - TRADE MARK REGISTRATION BUREAU
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ADVOCATE ALOK MOHAN SAHA

(4.8 Score)
TRADE MARK REGISTRATION BUREAU
1, Netaji Subhas Road,
Kolkata, WB 700001 Directions

Speciality:

✓ Filing ✓ Searching and Drafting of Trade Mark ✓ Copyright ✓ Design and Patent Applications ✓ Filing Infringement Cases ✓ Drafting and Filing the Appeals / Cancellation Proceedings in the Appellate Forum ✓ Filing Civil and Criminal Cases Regarding the Trade Mark ✓ Copyrights and Designs ✓ Writ Petition ✓ Appeals

"Advocate Alok Mohan Saha is a renowned patent case lawyer based in Kolkata, West Bengal. He obtained his Bachelor of Science, Master of Science, and Bachelor of Laws degrees from Calcutta University and his Doctorate in Science from Jadavpur University. Over the past 30 years, he has represented clients in more than 1000 cases across various courts in India, including High Courts, the Supreme Court, and Tribunals. He has independently argued numerous cases in patent, trademark, design, copyright, and intellectual property appellate boards. Advocate Alok Mohan Saha is a leading lawyer at Trade Mark Registration Bureau, with 80 years of experience handling all intellectual and industrial-related matters, from groundwork to litigation at the Apex Forum. The Trade Mark Registration Bureau is one of India's oldest and most reputable law firms specialising in this field.

2026 Update: Trade Mark Registration Bureau proudly serves over 10,000 clients, has successfully recovered 18,000,000 for its clients, maintains an impressive 98% success rate, and has handled 10,600 business growth cases, reflecting its strong commitment to results, reliability, and client satisfaction."

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Contact:

033 2248 1796 97877 32100

Mon-Sat: 9:30am - 5:30pm
Sun: Closed

TBR® Inspection Report:

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BISWAJIT SARKAR ADVOCATES-IP ATTORNEYS REVIEWS

Congratulations to Biswajit Sarkar Esq. IP Lawyers. His firm has been ranked as one of the best in Patent Law by Legal500. This honor was bestowed based on rigorous research, client feedback, peer assessment and independent analysis on a global scale. This a well deserved accomplishment for Biswajit Sarkar & his legal professional teams across the world. Our entire family supports Biswajit Sarkar.

Biswajit Sarkar Law Firm is at the forefront of trademark and patent law, handling cases internationally, including American legal matters. Their professional and courteous approach sets them apart. I highly recommend their services.

I contacted this law firm for Copyright and Trademark Registration matters and the legal team has very fast work and advised in details before filling the application for trade marks and copyright registration applications. I highly recommend this IP law firm.

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L.S. DAVAR & CO. REVIEWS

It's very reputed, well established IPR law firm in India having professionalism and a great sense of responsibility. High quality service provider and very attentive towards managing IP portfolio of clients. Strongly suggest this organization for excellent and hassle free services.

It is a wonderful organization to work. There is great career opportunities and perfect work life balance.

Excellent quality of work. I was very impressed with the quality of drafting, best I have seen and experienced so far!

ADVOCATE ALOK MOHAN SAHA - TRADE MARK REGISTRATION BUREAU REVIEWS

They have a very professional attitude which is highly appreciated. Since I had lots of doubts & questions in my mind they gave me suggestions which was very helpful for me. I feel it's not a company which is only interested to generate profit but to give the best suggestions which is helpful for the clients. I feel anyone can just step into this office without & doubt what do ever.

My overall experience has been excellent and prompt services received timely. The entire team at Trade Mark Registration Bureau has been extremely courteous and have provided the best client service. Their services are highly recommended.

Great services.They have been very co operative throughout and helped me with registration of my trade mark swiftly. Nice behaviour.

TBR® Inspection Score Report

BISWAJIT SARKAR ADVOCATES-IP ATTORNEYS Total Inspection Points: 118/120
Business Hours: 9
Complete Info: 9
Contact Info: 10
Current Evaluation: 10
Exact Services: 10
Experience: 10
Legitimate Ratings: 10
Location Proximity: 10
Reviews Accuracy: 10
Videos: 10
Website Source: 10
Website Standard: 10

TBR® Inspection Score Report

L.S. DAVAR & CO. Total Inspection Points: 117/120
Business Images: 8
Complete Info: 9
Contact Info: 10
Current Evaluation: 10
Exact Services: 10
Experience: 10
Legitimate Ratings: 10
Location Proximity: 10
Reviews Accuracy: 10
Videos: 10
Website Source: 10
Website Standard: 10

TBR® Inspection Score Report

ADVOCATE ALOK MOHAN SAHA - TRADE MARK REGISTRATION BUREAU Total Inspection Points: 114/120
Business Images: 8
Acknowledgements: 9
Business Hours: 9
Complete Info: 9
Reviews Study: 9
Contact Info: 10
Exact Services: 10
Legitimate Ratings: 10
Location Proximity: 10
Reviews Accuracy: 10
Website Source: 10
Website Standard: 10