CopyMark Law Group

An exact serial opens the live record page. Text search scans mark and owner indexes.

4.9/5
CopyMark Law Group
Trademark records
Research
About
Monitoring
Trust
Guidance
4.9/5
Get Help

An exact serial opens the live record page. Text search scans mark and owner indexes.

  1. Home
  2. Trademark records
  3. duo

Similar marks

Trademarks named duo

Published USPTO records whose mark name matches “duo”. Compare owners, classes, and §2(d) citations on each live serial page.

Showing 201–210 of 210

  • Previous
  • 1
  • 2
  • 3
  • 4
  • 5
USPTO trademark records named duo. Page 5 of 5.
SerialMarkOwnerRegistration
73296781DUOPRAIRIE VALLEY, INC.—
73230066DUOBeltone Electronics Corporation1139436
73111031DUOGeorg Fritzmeier KG1077547
73079162DUODivine Light Mission, Inc.1061021
73067995DUOWM. WRIGLEY JR. COMPANY1040696
72417374DUOBLOCK DRUG COMPANY, INC.0958693
72220085DUODUO-MARINE, INC.0807758
72118097DUONEWCOMER CORPORATION, THE0732052
71448454DUOM.S. LITTLE MANUFACTURING CO., THE0394099
71359453DUOV.D. ANDERSON COMPANY, THE0323755
  • Previous
  • 1
  • 2
  • 3
  • 4
  • 5
All trademark recordsTrademark search hubRecently changedRecently filedRecently registeredRecent Office ActionsRecently abandonedBrowse by class
CopyMark Law Group

Attorney advertising. No attorney-client relationship is formed until an engagement agreement is signed and a conflict check is performed.

Practice

Our services

  • New trademark application
  • Trademark search guide
  • Office Action issues
  • Notice of Allowance
  • Maintenance & renewals
  • Assignments
  • Trademark monitoring
  • Trademark records
  • Recently changed trademarks
  • Billion-dollar trademarks
  • Trademark classes

Resources

Trademark basics

  • Strength of mark
  • Benefits of registration
  • Why hire an attorney
  • Trademarks vs other IP

Contact

Get in touch

  • (312) 319-4460
  • info@copymarklaw.com
  • CopyMark LLC, 543 Brier Street, Kenilworth, Illinois 60043

Guidance

  • All guidance
  • Look up live records
  • Office Action catalog
  • Monitoring guide

2026 CopyMark Law Group. All rights reserved.

About getcopymark.comResearch studiesFor AI agentsTrust & verificationData removalPrivacy & termsGet Helpllms.txt