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Is SIONN trademarked in India?

4 applications advertised in the Trade Marks Journal · classes 35, 37 · latest 19 October 2026

Yes, "SIONN" has been applied for as a trademark in India. 4 applications under this name were advertised in the Trade Marks Journal between 8 July 2024 and 19 October 2026, in class 35 (advertising, business and retail) and class 37 (construction, installation and repair), by 4 individual applicants. Of these, 2 are logos whose text we read as "SIONN". The opposition window is open until 19 February 2027.

4 applications named SIONN

ApplicationClassApplicantFiledAdvertisedOpposition
6315567logo mark 35Advertising, business and retail Individual applicant (H. V. M.) 22 February 2024 No. 228319 October 2026 openuntil 19 February 2027
6436475SIONN 37Construction, installation and repair Individual applicant (H. V. M.) 17 May 2024 No. 21983 March 2025 closed3 July 2025
6436476logo mark 37Construction, installation and repair Individual applicant (H. V. M.) 17 May 2024 No. 21983 March 2025 closed3 July 2025
6315566SIONN 35Advertising, business and retail Individual applicant (H. V. M.) 22 February 2024 No. 21648 July 2024 closed8 November 2024
Opposition window open until 19 February 2027. Anyone with an earlier similar mark, or another ground under the Trade Marks Act, may file a notice of opposition (Form TM-O) within four months of the journal date. After that the application proceeds to registration. See how opposition works.

Goods and services claimed

Class 35: Advertising, business and retail · application 6315567

Real estate marketing; Real estate consultation; Real estate marketing analysis; Advertising of commercial or residential real estate; Arranging and conducting of real estate auctions; Negotiation of advertising contracts; Arranging advertising contracts for others; Arranging of buying and selling contracts for third parties; Arranging of trading transactions and commercial contracts.

Proposed to be used · Chennai office · full journal entry

Class 37: Construction, installation and repair · application 6436475

Building construction; Construction of buildings; Building construction supervision services for building projects; Residential and commercial building construction; Construction services; Custom building construction; Construction land developing; Development of land [construction].

Use claimed since 26/02/2024 · Chennai office · full journal entry

Class 37: Construction, installation and repair · application 6436476

Building construction; Construction of buildings; Building construction supervision services for building projects; Residential and commercial building construction; Construction services; Custom building construction; Construction land developing; Development of land [construction].

Use claimed since 26/02/2024 · Chennai office · full journal entry

Class 35: Advertising, business and retail · application 6315566

Real estate marketing; Real estate consultation; Real estate marketing analysis; Advertising of commercial or residential real estate; Arranging and conducting of real estate auctions; Negotiation of advertising contracts; Arranging advertising contracts for others; Arranging of buying and selling contracts for third parties; Arranging of trading transactions and commercial contracts.

Proposed to be used · Chennai office · full journal entry

Can I use or register "SIONN"?

For the same or related goods, probably not. In class 35 (advertising, business and retail) and class 37 (construction, installation and repair), a new application for an identical or confusingly similar name is likely to be objected to by the Registry under Section 11 of the Trade Marks Act, 1999, or opposed by the earlier applicant. Closely related classes, such as class 9 (electronics and software), class 42 (software, it and design services), class 36 (finance, insurance and real estate) and class 39 (transport, logistics and travel), carry the same risk.

For unrelated goods, often yes. The same word can be registered by different owners in different classes when the goods are unrelated and the earlier mark is not well known. "SIONN" appears in 2 classes; the other 43 may still be open, subject to a search.

A small change rarely helps. Adding a word, changing a letter or using a logo does not avoid conflict on its own: marks are compared as a whole, by look, sound and idea.

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Similar names in the journal

Matched by spelling and containment across every issue since August 2021. Our free report and Brand Watch also check sounds-alike names.

Questions about SIONN

Is SIONN a registered trademark?

SIONN has been applied for and advertised in the Trade Marks Journal (4 applications, latest on 19 October 2026). Advertisement means the Registry accepted the application; it is registered only if no opposition succeeds within four months of the journal date. The journal does not record the later outcome, so check the live register before relying on it.

Who applied for the SIONN trademark?

The applications were filed by individual applicants. We do not publish individuals' names.

Can I register a trademark similar to SIONN?

Not for the same or related goods in class 35, class 37: a confusingly similar name is likely to be refused or opposed. For unrelated goods it may be possible after a search. Ask for a free availability report before you file.

What does "advertised" mean? Read trademark status meanings, how long registration takes and how to run a trademark search.

Source and limits. Built from the Trade Marks Journal published by the Registrar of Trade Marks (a public record), issues from August 2021 onwards, as advertised and subject to transcription errors. The journal shows that an application was accepted and advertised; it does not show what happened afterwards (registration, opposition, withdrawal or abandonment), applications not yet advertised, or marks advertised before August 2021, so this is not the live register status. Applicants may ask for a correction or removal by writing to mehak@trademarkindia.pro. Information only, not legal advice and not a solicitation.

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