Who owns the CHEMDEX trademark?

The CHEMDEX trademark is owned by Ventro Corporation.

What is the serial number for CHEMDEX?

The USPTO serial number for CHEMDEX is 75422849.

What is the registration number for CHEMDEX?

CHEMDEX is registered under USPTO registration number 2456581.

Sealvo

Home Search: CHEMDEXCHEMDEX #75422849

Back

Updated Oct 12, 2026·14 searches this week

View on USPTO TSDR Find similar marks

CHE

USPTO Trademark Record

ABANDONED

CHEMDEX

Q: What class is the CHEMDEX trademark registered in?

The CHEMDEX trademark is registered in Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services).

SN 75422849·Reg 2456581·Filed Jan 26, 1998

Owner Ventro Corporation

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.

CHEMDEX (Serial No. 75422849), Registration No. 2456581, is a abandoned US trademark filed on Jan 26, 1998 by Ventro Corporation. This trademark covers Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services).

Mark Intelligence

CHEMDEX (Reg. #2456581) is an abandoned US trademark that was filed in 1998 but has since been abandoned. The mark covers Class 035 (Advertising, business management & retail services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Scientific and technological servi.... The mark faced 2 opposition proceedings during prosecution.

FILED

Jan 26, 1998

SERIAL

75422849

REG#

2456581

REGISTERED

Jun 05, 2001

Filing Information

StatusABANDONED

Filing DateJan 26, 1998

Serial Number75422849

Registration No.2456581

Registration DateJun 05, 2001

Status DateMar 08, 2008

Published for OppositionMar 13, 2001

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Oct 15, 1997

First use in commerce: Oct 15, 1997

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

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Oct 15, 1997

First use in commerce: Oct 15, 1997

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.

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