BLOK Trademark (Class 1) — Registered Status & Details
Source: Indian Trademark Registry (ipindia.gov.in) · IP India record as of 07/06/2026 · Indexed 2026-06-07 · Last updated 7 Jun 2026
Trademark Fact Sheet
- Trademark (as filed)
- BLOKDEVICE
- Application No.
- 1875602
- Filed
- 22/10/2009
- Status
- Registered
- Class(es)
- Class 1
- TM Office
- DELHI
- Owner's state
- —
- TM type
- DEVICE
- Valid upto
- 22/10/2019
- Published in Journal
- Published in Journal No. : 1674-0 Dated : 05/01/2015
Goods & Services
BUFFER REAGENTS, NAMELY FOR REDUCING BACKGROUND NOISE LEVELS OF DETECTION OF DETECTION CHEMICALS.
Owner
- Name
- MERCK KGAA Body Incorporate2 trademarks filed under this owner
- Address
- *****, 64293, *****
Other trademarks by this owner
Application Timeline
Uploaded Documents
13 documents filed with the Trade Marks Registry for this application.
| # | Document | Date |
|---|---|---|
| 1 | Correspondence | 22 Oct 2009 |
| 2 | Additional Representation Sheet | 22 Oct 2009 |
| 3 | TM-1 | 22 Oct 2009 |
| 4 | Reply to Exam Report (MIS-R) | 3 Aug 2011 |
| 5 | Reply to Exam Report (MIS-R) | 13 Oct 2011 |
| 6 | TM-16 | 20 Jan 2012 |
| 7 | TM-50 | 30 Jan 2012 |
| 8 | Hearing Notice | 30 Dec 2014 |
| 9 | TM-16 | 2 Jan 2015 |
| 10 | Assignment Deed | 2 Jan 2015 |
| 11 | Certificate | 30 Nov 2015 |
| 12 | Journal Copy | 2 Dec 2015 |
| 13 | TM-P(ALTER OR SUBSTITUTE OF ADDRESS FOR SERVICE IN INDIA) | 25 Oct 2017 |
Correspondence and Notices
1 notice issued by the Registry on this application.
| # | Subject | Corres. No. | Date |
|---|---|---|---|
| 1 | O3 NOTICE | 8636957 | 23 Jul 2019 |
Filing claims & diligence
- First use claim
- Proposed to be used
- Filing mode
- Branch Office
- Category
- TRADE MARK
Attorney / IP Agent
- Name & code
- LALL & SETHI[20727]
- Address
- *****, New Delhi - 110049
What does this status mean?
BLOK is a registered trademark in Class 1. The owner holds exclusive rights to use this mark for BUFFER REAGENTS, NAMELY FOR REDUCING BACKGROUND NOISE LEVELS OF DETECTION OF DETECTION CHEMICALS. and can renew it to keep the protection in force. Planning a similar mark in Class 1? It may be blocked — check availability before you file.
Frequently asked questions
The trademark BLOK (Application No. 1875602) is owned by (1) MERCK KGAA, as recorded in the Indian Trademark Registry. Trademark ownership in India is determined by the Trade Marks Act, 1999 and the Trade Marks Rules, 2017.
The current status of BLOK is "Registered". It was filed on 22/10/2009 at DELHI in Class 1. Status may change over time as the application moves through examination, publication, opposition and registration stages.
BLOK is filed in Class 1, covering: BUFFER REAGENTS, NAMELY FOR REDUCING BACKGROUND NOISE LEVELS OF DETECTION OF DETECTION CHEMICALS.
BLOK covers: BUFFER REAGENTS, NAMELY FOR REDUCING BACKGROUND NOISE LEVELS OF DETECTION OF DETECTION CHEMICALS.
The exact word "BLOK" is already on record at the Indian Trademark Registry under Application No. 1875602. If you intend to use a similar mark for similar goods or services, you should conduct a comprehensive availability search and consult a trademark attorney before filing. Registerkaro offers a free availability check followed by professional filing.
BLOK is valid up to 22/10/2019. Indian trademarks are valid for 10 years from the date of registration and can be renewed indefinitely in 10-year blocks.
If BLOK is in the "Advertised before Acceptance" or "Accepted & Advertised" stage, you have a 4-month window from publication in the Trade Marks Journal to file an opposition (Form TM-O) at the same Trade Marks Registry office. Grounds typically include prior rights, descriptiveness or bad faith. Registerkaro can prepare and file a Notice of Opposition for you.
— Public Notice —
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For individuals or companies who just want to file a trademark.
- Help choosing the right trademark class
- Drafting & Filing by TM Expert + Power of Attorney form
- Acknowledgement Receipt
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