USPTO trademark record

LANGCHAIN

Live registered mark · Owner LangChain Inc. · Classes 9

Mark details

Owner: LangChain Inc.
Serial number: 98033029
Registration number: 7657514
Status: REGISTERED
Classes: 9 (Software / electronics / downloadable media)
Filed: 2023-06-08
Registered: 2025-01-21
Goods / services: Downloadable software for creating, developing, and running applications powered by language models, data sets, and artificial intelligence; downloadable software for creating complex large language …

Register data as of 2026-11-07. Records can trail live filings — check the official USPTO search for the latest status before filing.

Similar marks

Nearest marks in the register to LANGCHAIN.

LONGCHAINLive

Classes 17 (Rubber / plastics) · O'Grady Products, Inc.

LANGCHAOFANLive

Classes 25 (Clothing / footwear) · Zhongshan Chuanhong Clothing Co., Ltd

LANGCHECKLive

Classes 9 (Software / electronics / downloadable media), 42 (Software / tech services (SaaS, design, hosting)) · Citadel AI Inc.

LANGCHENGLive

Classes 26 (Haberdashery) · Yiwu Langcheng Trading Co.,Ltd.

LANG CHI M&ELive

Classes 9 (Software / electronics / downloadable media) · Nanjing Langchi Group M&E Co., Ltd

Screen your own name

A fast first-pass screen against the USPTO federal register — sound-alikes, look-alikes, and same or related classes, in plain English. Free, no signup.

Screen a name — free · Start a free watch