Who owns the LL trademark?

The LL trademark is owned by Leyden Laboratories B.V..

What is the serial number for LL?

The USPTO serial number for LL is 79437469.

What is the registration number for LL?

LL is registered under USPTO registration number 8465705.

USPTO Trademark Record

REGISTERED

LL

Q: What class is the LL trademark registered in?

The LL trademark is registered in Class 005 (Pharmaceuticals, medical & veterinary preparations), Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services), Class 044 (Medical, veterinary & beauty care services).

SN 79437469·Reg 8465705·Filed Aug 19, 2025

Owner Leyden Laboratories B.V.

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.; Advertising; business management, organization and administration; office functions.; Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.; Medical services; veterinary services; hygienic and beauty care for human beings or animals; agriculture, aquaculture, horticulture and forestry services.

LL (Serial No. 79437469), Registration No. 8465705, is a registered US trademark filed on Aug 19, 2025 by Leyden Laboratories B.V.. This trademark covers Class 005 (Pharmaceuticals, medical & veterinary preparations), Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services), Class 044 (Medical, veterinary & beauty care services).

early section 8: September 29, 2032

Mark Intelligence

LL (Reg. #8465705) is a registered US trademark that has been protecting its owner, Leyden Laboratories B.V., since 2025. The mark covers Class 005 (Pharmaceuticals, medical & veterinary preparations), Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services) and Class 044 (Medical, veterinary & beauty care services) respectively. Goods and services include Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and subs.... The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 19, 2025

SERIAL

79437469

REG#

8465705

REGISTERED

Sep 29, 2026

Owner

Applicant

Leyden Laboratories B.V.

Entity

B.V. (Dutch)

Address

Emmy Noetherweg 2, NL-2333 BK Leiden

Country

Attorney

NameStacy J. Grossman

Law firm

Stacy J. Grossman SGIP

Address

500 Mamaroneck Avenue, Suite 320, Harrison, NY 10528, United States

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Filing Information

StatusREGISTERED

Filing DateAug 19, 2025

Serial Number79437469

Registration No.8465705

Registration DateSep 29, 2026

Status DateSep 29, 2026

Published for OppositionAug 11, 2026

Mark TypeStylized characters

Status DescriptionLive and registered

Filing Signals

FILED

2025

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 005Pharmaceuticals, medical & veterinary preparations

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

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

Advertising; business management, organization and administration; office functions.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

Class 044Medical, veterinary & beauty care services

US codes: 100, 101

Medical services; veterinary services; hygienic and beauty care for human beings or animals; agriculture, aquaculture, horticulture and forestry services.

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

Status History

22 events

REGISTERED-PRINCIPAL REGISTER

Sep 29, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Sep 29, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Aug 11, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 11, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 05, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Jul 16, 2026

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Jul 16, 2026

EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Jul 16, 2026

EXAMINER'S AMENDMENT ENTERED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Jul 16, 2026

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 16, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jul 14, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jul 14, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jul 14, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

REFUSAL PROCESSED BY IB

Feb 19, 2026

REFUSAL PROCESSED BY IB

REFUSAL PROCESSED BY MPU

Feb 04, 2026

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Feb 04, 2026

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Jan 08, 2026

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NON-FINAL ACTION WRITTEN

Jan 07, 2026

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Jan 06, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Nov 21, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Nov 21, 2025

APPLICATION FILING RECEIPT MAILED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Nov 20, 2025

SN ASSIGNED FOR SECT 66A APPL FROM IB

LL

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Other Marks by Leyden Laboratories B.V.

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