SIPOREX Trademark (Class 17) — Registered Status & Details
Source: Indian Trademark Registry (ipindia.gov.in) · IP India record as of 09/07/2026 · Last updated 9 Jul 2026
Trademark Fact Sheet
- Trademark (as filed)
- SIPOREXWORD
- Application No.
- 134315
- Filed
- 21/06/1948
- Status
- Registered
- Class(es)
- Class 17
- TM Office
- KOLKATA
- Owner's state
- West Bengal
- TM type
- WORD
- Valid upto
- 21/06/2025
- Published in Journal
- Published in Journal No. : 64-0 Dated : 01/12/1948
Goods & Services
INSULATING WALL COVERINGS; THERMAL AND ELECTRICAL INSULATING MATERIAL OF ALL SORTS INCLUDED IN CLASS 17,
Owner
- Name
- BILTECH BUILDING ELEMENTS LIMITED Body Incorporate2 trademarks filed under this owner
- Address
- *****, NEW DELHI-110001
- State
- West Bengal
Other trademarks by this owner
Application Timeline
Uploaded Documents
37 documents filed with the Trade Marks Registry for this application.
| # | Document | Date |
|---|---|---|
| 1 | Examination Report | 21 Jun 1948 |
| 2 | Examination Report | 21 Jun 1948 |
| 3 | Additional Representation Sheet | 21 Jul 1948 |
| 4 | TM-1 | 21 Jul 1948 |
| 5 | Authorization Document (POA) | 5 May 1970 |
| 6 | Note Sheet | 7 Jul 1978 |
| 7 | Authorization Document (POA) | 29 Nov 1999 |
| 8 | Assignment Deed | 17 Dec 1999 |
| 9 | Authorization Document (POA) | 13 Feb 2004 |
| 10 | Covering Letter | 8 Jun 2004 |
| 11 | Covering Letter | 8 Jun 2004 |
| 12 | Other Documents | 8 Jun 2004 |
| 13 | Other Documents | 8 Jun 2004 |
| 14 | TM-24 | 9 Jun 2004 |
| 15 | Examination Report | 9 Jun 2004 |
| 16 | TM-33 | 9 Jun 2004 |
| 17 | TM-24 | 9 Jun 2004 |
| 18 | Other Documents | 17 Jun 2004 |
| 19 | Other Documents | 9 Dec 2004 |
| 20 | Order | 9 Dec 2004 |
| 21 | Affidavit | 6 Dec 2005 |
| 22 | TM-24 | 23 Dec 2005 |
| 23 | Other Documents | 23 Dec 2005 |
| 24 | Assignment Deed | 23 Dec 2005 |
| 25 | Note Sheet | 22 May 2007 |
| 26 | Order | 22 May 2007 |
| 27 | Note Sheet | 14 Sep 2007 |
| 28 | Authorization Document (POA) | 18 Feb 2015 |
| 29 | O-3 Notice | 15 May 2015 |
| 30 | TM-12 | 20 Jun 2015 |
| 31 | TM-50 | 1 Oct 2015 |
| 32 | TM-P(SUBSEQUENT PROPRIETOR BY WAY OF ASSIGNMENT OR TRANSFER OF A SINGLE MARK) | 4 May 2017 |
| 33 | Order | 29 Dec 2017 |
| 34 | Renewal Certificate | 9 Jan 2018 |
| 35 | TM-P(SUBSEQUENT PROPRIETOR BY WAY OF ASSIGNMENT OR TRANSFER OF A SINGLE MARK) | 28 Aug 2018 |
| 36 | Notices | 4 Sep 2018 |
| 37 | Notices | 4 Sep 2018 |
Correspondence and Notices
4 notices issued by the Registry on this application.
| # | Subject | Corres. No. | Date |
|---|---|---|---|
| 1 | RENEWAL NOTICE | 5631821 | 29 Dec 2017 |
| 2 | Scrutiny Report | 5704403 | 13 Jan 2018 |
| 3 | Scrutiny Report | 6454976 | 1 Jun 2018 |
| 4 | O3 NOTICE | 19762890 | 24 Feb 2025 |
Filing claims & diligence
- First use claim
- Proposed to be used
- Filing mode
- Branch Office
- Category
- TRADE MARK
What does this status mean?
SIPOREX is a registered trademark in Class 17. The owner holds exclusive rights to use this mark for INSULATING WALL COVERINGS; THERMAL AND ELECTRICAL INSULATING MATERIAL OF ALL SORTS INCLUDED IN CLASS 17, and can renew it to keep the protection in force. Planning a similar mark in Class 17? It may be blocked — check availability before you file.
Frequently asked questions
The trademark SIPOREX (Application No. 134315) is owned by (1) BILTECH BUILDING ELEMENTS, 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 SIPOREX is "Registered". It was filed on 21/06/1948 at KOLKATA in Class 17. Status may change over time as the application moves through examination, publication, opposition and registration stages.
SIPOREX is filed in Class 17, covering: INSULATING WALL COVERINGS; THERMAL AND ELECTRICAL INSULATING MATERIAL OF ALL SORTS INCLUDED IN CLASS 17,.
SIPOREX covers: INSULATING WALL COVERINGS; THERMAL AND ELECTRICAL INSULATING MATERIAL OF ALL SORTS INCLUDED IN CLASS 17,.
The exact word "SIPOREX" is already on record at the Indian Trademark Registry under Application No. 134315. 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.
SIPOREX is valid up to 21/06/2025. Indian trademarks are valid for 10 years from the date of registration and can be renewed indefinitely in 10-year blocks.
If SIPOREX 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.
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