Trademark owner · USPTO register · rebuilt nightly

Ionis Pharmaceuticals, Inc.

56 live US trademarks, filing since 2015. 11 new applications filed this year.

Live marks
56
registered + pending
Registered
13
on the Principal Register
Pending
43
applications in progress
Filed in 2026
11
6 intent to use
Classes used
5
of 45 Nice classes
First filing
2015
11 years on the register
At a glanceplain-language reads of the register
Mostly medical & beauty services: 24 of 56 live marks are in Class 44. Education & entertainment (Class 41) is next with 15.
Filing faster than usual: 11 applications so far in 2026 against a yearly average of 4.3.
New products ahead: 6 of the 11 filings this year are intent-to-use applications, meaning the goods are not yet on sale.
1 registration has a maintenance filing due in the next 12 months.
Filing activityapplications per year, by filing date
0 16 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 12 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 Ionis Pharmaceuticals, Inc. filed most recently.

MarkClassFiledBasisStatusSerial
THAT FEELING WHEN 41, 44 Jul 6, 2026 — pending 99924824
OUT OF THE DANGER ZONE 41, 44 Jul 6, 2026 — pending 99924829
LET'S TALK TRIGLYCERIDES 41, 44 Jun 24, 2026 — pending 99903167
EXPAND WHAT'S POSSIBLE IN TRIGLYCERIDE REDUCTION 41, 44 Jun 24, 2026 — pending 99903171
KNOW YOUR TRIGLYCERIDES 35 Apr 28, 2026 — abandoned Sep 21 99793301
KNOW YOUR TRIGLYCERIDES 44 Apr 28, 2026 intent to use published 99793316
KNOW YOUR TRIGLYCERIDES 36 Apr 28, 2026 intent to use published 99793308
KNOW YOUR TRIGLYCERIDES 41 Apr 28, 2026 intent to use published 99793313
IONIS 36 Feb 24, 2026 — published 99668507
IONIS 5 Feb 23, 2026 intent to use published 99666317
Recently registeredlast 12 months
IONIS EVERY STEP · Cl. 36 · Reg. 8,514,499
Oct 20, 2026
DAWNZERA · Cl. 5 · Reg. 8,404,539
Aug 18, 2026
IONIS EVERY STEP · Cl. 41 · Reg. 8,394,135
Aug 11, 2026
IONIS EVERY STEP · Cl. 36, 44 · Reg. 8,382,311
Aug 4, 2026

Registration starts the maintenance clock: a Section 8 declaration is due between years 5 and 6.

Maintenance windows aheadnext 12 months · from registration dates
IONIS · Reg. 6,340,119 · registered May 2021
Section 8 declaration (years 5–6)
May 4, 2026 → May 4, 2027

A filing missed by the due date enters a six-month grace period, then the registration cancels.

Other large filers in Class 44Full ranking →
Common questions

About Ionis Pharmaceuticals, Inc. trademarks.

How many trademarks does Ionis Pharmaceuticals, Inc. have?

56 live US trademarks as of October 23, 2026: 13 registered and 43 pending applications. 11 were filed in 2026 so far.

What does Ionis Pharmaceuticals, Inc. sell, according to its trademarks?

Mostly medical & beauty services (Class 44, 24 live marks). Also education & entertainment (Class 41) and pharmaceuticals (Class 5).

Who owns the IONIS PHARMACEUTICALS trademark?

IONIS PHARMACEUTICALS is owned by Ionis Pharmaceuticals, Inc.. It was registered on January 28, 2020 (Reg. No. 5973414) and is live. The same owner holds 55 other live US marks.

When did Ionis Pharmaceuticals, Inc. first file a trademark?

Its oldest live US filing dates from 2015: IONIS PHARMACEUTICALS, filed December 3, 2015.

Know the morning after Ionis Pharmaceuticals, 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.