Trademark owner · USPTO register · rebuilt nightly

Seqirus Inc.

64 live US trademarks, filing since 2021. 29 new applications filed this year.

Live marks
64
registered + pending
Registered
0
on the Principal Register
Pending
64
1 open to opposition
Filed in 2026
29
3 intent to use
Classes used
6
of 45 Nice classes
First filing
2021
5 years on the register
At a glanceplain-language reads of the register
Mostly pharmaceuticals: 60 of 64 live marks are in Class 5. Medical & beauty services (Class 44) is next with 41.
Filing faster than usual: 29 applications so far in 2026 against a yearly average of 9.8.
New products ahead: 3 of the 29 filings this year are intent-to-use applications, meaning the goods are not yet on sale.
One mark is open to opposition now; the window closes Oct 29.
Filing activityapplications per year, by filing date
0 29 2021 2022 2023 2024 2025 2026 29 so far

Marks held on the register, by filing date. 2026 is year to date.

Portfolio by classlive marks · rank among filers in that class

A multi-class mark counts once per class. Rank shown where the owner is in the class's top 50.

Latest activity

What Seqirus Inc. filed most recently.

MarkClassFiledBasisStatusSerial
AUJEMFLU 5 Aug 14, 2026 intent to use published · closes Dec 10 50051093
FLUCLIPSE 5 Aug 14, 2026 intent to use published · closes Dec 10 50051105
KIGLAFLU 5 Aug 14, 2026 intent to use published · closes Dec 10 50051120
PHLUDEPZY 5 Aug 14, 2026 — pending 50051125
PHLUTEKRO 5 Aug 14, 2026 — pending 50051148
PLUZELFLU 5 Aug 14, 2026 — pending 50051151
RNATE 1, 5, 42, 44 Jun 22, 2026 — pending 99897421
MRNATE 1, 5, 42, 44 Jun 22, 2026 — pending 99897426
MULTIPLICITY 1, 5, 42, 44 Jun 22, 2026 — pending 99897428
IMUEXPAND 1, 5, 42, 44 Jun 22, 2026 — pending 99897436
Open to opposition now30-day windows from publication
DURVAXITY · Cl. 1, 5, 42, 44 · published Sep 29
closes Oct 29

Anyone who believes they would be harmed by registration can oppose during this window.

Other large filers in Class 5Full ranking →
Names on the registerwhat this page merges, and what it leaves out
Seqirus Inc. · 64 live marks
included
Seqirus UK Limited · 54 live marks · may be a related company
separate page

Spellings are merged when they differ only in punctuation or legal suffix. Anything else stays separate rather than guessed.

Common questions

About Seqirus Inc. trademarks.

How many trademarks does Seqirus Inc. have?

64 live US trademarks as of October 23, 2026: 0 registered and 64 pending applications. 29 were filed in 2026 so far.

What does Seqirus Inc. sell, according to its trademarks?

Mostly pharmaceuticals (Class 5, 60 live marks). Also medical & beauty services (Class 44) and science & technology (saas) (Class 42).

When did Seqirus Inc. first file a trademark?

Its oldest live US filing dates from 2021: XCLEIC, filed May 19, 2021.

Know the morning after Seqirus Inc. files.

Watch this company in Thorgate and get an alert for every new application, registration, publication and lapse, with the opposition deadline already worked out. Or monitor your own marks for conflicts with theirs.

Data: USPTO trademark bulk files, processed nightly by Thorgate. Last rebuilt October 23, 2026. Counts cover the US federal register only, not state or foreign marks. Owner names are shown as recorded by the USPTO. This page reports public-record facts and dates and is not legal advice. For the official record of any mark, follow its serial number to USPTO TSDR.