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Trademark Application · #239012

ISOKIN Trademark (Class 5) — Registered Status & Details

RegisteredClass 5Filed 23/11/1966WORD

Source: Indian Trademark Registry (ipindia.gov.in) · IP India record as of 09/07/2026 · Last updated 9 Jul 2026

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§ 01 —

Trademark Fact Sheet

Trademark (as filed)
ISOKINWORD
Application No.
239012
Filed
23/11/1966
Status
Registered
Class(es)
Class 5
TM Office
KOLKATA
Owner's state
—
TM type
WORD
Valid upto
23/11/2028
Published in Journal
Published in Journal No. : 439-0 Dated : 16/09/1967
§ 02 —

Goods & Services

Class 5

MEDICINAL AND PHARMACEUTICAL PREPARATION FOR THE TREATMENT OF TUBERCULOSIS TO BE SOLD IN RETAIL ONLY ON THE WRITTEN PRESCRIPTION OF A REGISTERED MEDICAL PRACTITIONER.

§ 03 —

Owner

Name
WARNER-LAMBERT COMPANY. Trading As : WARNER-LAMBERT COMPANY. Body Incorporate3 trademarks filed under this owner
Address
*****, United States of America-10017
§ 04 —

Other trademarks by this owner

2 other marks filed under WARNER-LAMBERT COMPANY. Trading As : WARNER-LAMBERT COMPANY. Body Incorporate. Live marks link to their full details.

WordmarkApp No.ClassStatus
UROBID
TM #301821 · Filed 28/12/1974
301821Class 5Registered
COSKIN
TM #252921 · Filed 20/11/1968
252921Class 5Registered
§ 05 —

Application Timeline

Application filed
23/11/1966
Filed via Branch Office
Published for opposition
16/09/1967
Trade Marks Journal No. 439-0
Next renewal due
23/11/2028
Indian trademarks must be renewed every 10 years. File TM-R 6-12 months ahead.
IP India record refreshed
09/07/2026
Latest server-side snapshot from the Indian Trademark Registry
§ 06 —

Uploaded Documents

24 documents filed with the Trade Marks Registry for this application.

#DocumentDate
1TM-5023 Nov 1966
2Authorization Document (POA)23 Nov 1966
3TM-1223 Nov 1966
4Examination Report23 Nov 1966
5Correspondence23 Nov 1966
6Note Sheet23 Nov 1966
7File Cover23 Nov 1966
8TM-503 Oct 1980
9Note Sheet9 Feb 1983
10Other Documents22 Sep 1994
11TM-5026 Feb 1999
12Examination Report29 Sep 1999
13Power of Attorney29 Nov 2000
14Other Documents4 Dec 2000
15Covering Letter1 Feb 2001
16Note Sheet20 Apr 2001
17Order21 May 2001
18Power of Attorney30 Aug 2007
19TM-3418 Jun 2008
20Covering Letter18 Jun 2008
21Other Documents18 Jun 2008
22Note Sheet27 Jan 2010
23Renewal Certificate10 Jun 2011
24TM-R(RENEWAL OF TRADE MARK)23 Aug 2018
§ 07 —

Correspondence and Notices

1 notice issued by the Registry on this application.

#SubjectCorres. No.Date
1RENEWAL INTIMATION LETTER69586268 Sep 2018
§ 08 —

Filing claims & diligence

First use claim
Proposed to be used
Filing mode
Branch Office
Category
TRADE MARK
Registered

What does this status mean?

ISOKIN is a registered trademark in Class 5. The owner holds exclusive rights to use this mark for MEDICINAL AND PHARMACEUTICAL PREPARATION FOR THE TREATMENT OF TUBERCULOSIS TO BE SOLD IN RETAIL ONLY ON THE WRITTEN PRESCRIPTION OF A REGISTERED MEDICAL PRACTITIONER. and can renew it to keep the protection in force. Planning a similar mark in Class 5? It may be blocked — check availability before you file.

Q & A

Frequently asked questions

The trademark ISOKIN (Application No. 239012) is owned by (1) WARNER-LAMBERT . Trading As : WARNER-LAMBERT ., 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 ISOKIN is "Registered". It was filed on 23/11/1966 at KOLKATA in Class 5. Status may change over time as the application moves through examination, publication, opposition and registration stages.

ISOKIN is filed in Class 5, covering: MEDICINAL AND PHARMACEUTICAL PREPARATION FOR THE TREATMENT OF TUBERCULOSIS TO BE SOLD IN RETAIL ONLY ON THE WRITTEN PRESCRIPTION OF A REGISTERED MEDICAL PRACTITIONER.

ISOKIN covers: MEDICINAL AND PHARMACEUTICAL PREPARATION FOR THE TREATMENT OF TUBERCULOSIS TO BE SOLD IN RETAIL ONLY ON THE WRITTEN PRESCRIPTION OF A REGISTERED MEDICAL PRACTITIONER.

The exact word "ISOKIN" is already on record at the Indian Trademark Registry under Application No. 239012. 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.

ISOKIN is valid up to 23/11/2028. Indian trademarks are valid for 10 years from the date of registration and can be renewed indefinitely in 10-year blocks.

If ISOKIN 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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