Who owns the RHYTHM trademark?

The RHYTHM trademark is owned by Rhythm Pharmaceuticals, Inc..

What is the serial number for RHYTHM?

The USPTO serial number for RHYTHM is 99815478.

What is the registration number for RHYTHM?

RHYTHM is registered under USPTO registration number 8502150.

RHYTHM - Owned by Rhythm Pharmaceuticals, Inc. - (Class 005, Class 016)

Q: What class is the RHYTHM trademark registered in?

The RHYTHM trademark is registered in Class 005 (Pharmaceuticals, medical & veterinary preparations), Class 016 (Paper goods, books & stationery).

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: 005, 006, 018, 044, 046, 051, 052

First use anywhere: May 31, 2019

First use in commerce: May 31, 2019

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.

Class 016Paper goods, books & stationery

US codes: 002, 005, 022, 023, 029, 037, 038, 050

First use anywhere: May 31, 2019

First use in commerce: May 31, 2019

Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furniture; adhesives for stationery or household purposes; drawing materials and materials for artists; paintbrushes; instructional and teaching materials; plastic sheets, films and bags for wrapping and packaging; printers' type, printing blocks.

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

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlyTrademark

International Filings

Madrid Protocol1 filings

This mark has 1 Madrid Protocol filing on record with the USPTO.

Source: USPTO Madrid International Filing Requests

Status History

10 events

REGISTERED-PRINCIPAL REGISTER

Oct 13, 2026

Code R.PR

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Oct 13, 2026

Code NRCC

PUBLISHED FOR OPPOSITION

Aug 25, 2026

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 25, 2026

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 19, 2026

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 28, 2026

Code CNSA

ASSIGNED TO EXAMINER

Jul 27, 2026

Code DOCK

NEW APPLICATION ENTERED

May 11, 2026

Code NWAP

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 11, 2026

Code NWOS

APPLICATION FILING RECEIPT MAILED

May 11, 2026

Code MAFR

Other Marks by Rhythm Pharmaceuticals, Inc.

Additional USPTO filings from the same owner.

IMC

IMCIVREE

88226182

Rhythm Pharmaceuticals, Inc.

REGISTERED

IMC

IMCIVREE

90178986

Rhythm Pharmaceuticals, Inc.

REGISTERED

RHY

RHYTHM

88421834

Rhythm Pharmaceuticals, Inc.

REGISTERED

DIF

DIFFERENT OBESITY

99123482

Rhythm Pharmaceuticals, Inc.

REGISTERED

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

Recently filed and registered marks in the same international class.

RHY

RHYTHM

88421834

Rhythm Pharmaceuticals, Inc.

REGISTERED

RHY

RHYTHM

77934236

RHYTHM PHARMACEUTICALS, INC.

REGISTERED

RHY

RHYTHM

97535227

rhythm care, llc

ABANDONED

RHY

RHYTHM

85096215

RHYTHM PHARMACEUTICALS, INC.

ABANDONED

Other Marks by Peter G. Byrne

Additional USPTO filings handled by the same attorney of record.

SPE

SPECTRA HOME

99630494

REGISTERED

MAX

MAXIMA

99975792

REGISTERED

SAL

SALESLOFT CONDUCTOR AI

98624348

REGISTERED

GRA

GRAF ECOBLOC

79428093

REGISTERED

RHYTHM

What to file next

Full Goods & Services

Filing Basis & Declarations

International Filings

Other Marks by Rhythm Pharmaceuticals, Inc.

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

Other Marks by Peter G. Byrne

Get pre-filing clearance

Search 14M+ trademarks

Run a conflict check

Industries

USPTO Deadlines

Compare

Resources

Company

Exceptions