USPTO trademark record

DR.CZSF

Live registered mark · Owner Si Lu · Classes 5

Mark details

Owner: Si Lu
Serial number: 99609535
Registration number: 8389837
Status: REGISTERED
Classes: 5 (Pharmaceuticals)
Filed: 2026-01-22
Registered: 2026-08-11
Goods / services: Nutritional supplements; Dietary food supplements; Vitamin supplements; Dietary fiber for use as an ingredient in the manufacture of dietary supplements; Sanitary napkins; Diet pills; Cod liver oil; …

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 DR.CZSF.

DR.CZFDLive

Classes 3 (Cosmetics / cleaning) · Deju Li

DRC VENTURES BY DR. CHRISTINA RAHM NANO EMULSION TECHNOLOGY PROPRIETARY PROCESSESLive

Classes 5 (Pharmaceuticals) · Dr. Christina Rahm, LLC

DRC VENTURES BY DR. CHRISTINA RAHM PARTLY WATER SOLUBLE ZEOLITE FORMULATIONS PROPRIETARY PROCESSESLive

Classes 5 (Pharmaceuticals) · Dr. Christina Rahm, LLC

DRC VENTURES BY DR. CHRISTINA RAHM PROPRIETARY PROCESSES QUANTUM NANOEMULSION TECHNOLOGY HYDROLYZED ZEOLITE FRAGMENTS AND PARTICLES USING VARIOUS POLARIZATION PROCESSESLive

Classes 5 (Pharmaceuticals) · Dr. Christina Rahm, LLC

DRXOVONLive

Classes 12 (Vehicles) · Guangzhou Jiayuanyuan Technology 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