Who owns the SIEN-NET trademark?

The SIEN-NET trademark is owned by Sienna Cancer Diagnostics Ltd.

What class is the SIEN-NET trademark registered in?

The SIEN-NET trademark is registered in Class 005 (Pharmaceuticals, medical & veterinary preparations).

What is the serial number for SIEN-NET?

The USPTO serial number for SIEN-NET is 79274546.

What is the registration number for SIEN-NET?

SIEN-NET is registered under USPTO registration number 6248001.

SIEN-NET - Owned by Sienna Cancer Diagnostics Ltd - (Class 005)

What to file next

Section 8 declaration of continued use

When: Due between the fifth and sixth anniversary of registration.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed Section 8 cancels the registration, and there is no revival route for it.

How the Section 8 deadline works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

Class 005Pharmaceuticals, medical & veterinary preparations

US codes: 006, 018, 044, 046, 051, 052

Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and substances adapted for medical or veterinary purposes, food for babies; dietary supplements for human beings and animals; adhesive plasters, materials for dressings; material for filling teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides.

This description is as filed with the USPTO and defines the scope of trademark protection.

Filing Basis & Declarations

Standard Characters ClaimedTrademark

Status History

26 events

COURTESY REMINDER - SEC. 71 (6-YR) E-MAILED

Jan 19, 2026

Code REM3

FINAL DECISION TRANSACTION PROCESSED BY IB

May 16, 2021

Code FINO

FINAL DISPOSITION PROCESSED

Apr 23, 2021

Code FIMP

FINAL DISPOSITION NOTICE SENT TO IB

Apr 23, 2021

Code FICS

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Apr 19, 2021

Code FICR

CHANGE OF NAME/ADDRESS REC'D FROM IB

Jan 29, 2021

Code ADCH

REGISTERED-PRINCIPAL REGISTER

Jan 19, 2021

Code R.PR

PUBLISHED FOR OPPOSITION

Nov 03, 2020

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Nov 03, 2020

Code NPUB

NOTIFICATION PROCESSED BY IB

Nov 02, 2020

Code GPNX

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 14, 2020

Code NONP

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

Oct 14, 2020

Code OP2R

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Oct 14, 2020

Code OPNS

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 24, 2020

Code CNSA

TEAS/EMAIL CORRESPONDENCE ENTERED

Sep 10, 2020

Code TEME

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Sep 09, 2020

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Sep 09, 2020

Code CRFA

REFUSAL PROCESSED BY IB

Mar 27, 2020

Code RFNT

REFUSAL PROCESSED BY MPU

Mar 09, 2020

Code RFRR

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Mar 09, 2020

Code RFCS

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Feb 19, 2020

Code RFCR

NON-FINAL ACTION WRITTEN

Feb 18, 2020

Code CNRT

ASSIGNED TO EXAMINER

Feb 12, 2020

Code DOCK

APPLICATION FILING RECEIPT MAILED

Dec 27, 2019

Code MAFR

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 23, 2019

Code NWOS

SN ASSIGNED FOR SECT 66A APPL FROM IB

Dec 19, 2019

Code REPR

Other Marks by Sienna Cancer Diagnostics Ltd

Additional USPTO filings from the same owner.

EXO

EXO-NET

79274531

Sienna Cancer Diagnostics Ltd

REGISTERED

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Additional USPTO filings handled by the same attorney of record.

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BASQUIA

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SIEN-NET

What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks by Sienna Cancer Diagnostics Ltd

Other Marks in Class 005 — Pharmaceuticals, medical & veterinary preparations

Other Marks by Charles G. Zug

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