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Trademark Class 45: Legal & Security Services | Complete Filing Guide

Everything you need to file a trademark in Class 45. Covers legal services, security services, and personal social services.

Last updated: December 14, 2025

Class 45 covers legal services, security services, and personal social services. Law firms, security companies, and social networking platforms file here.

What Class 45 Covers

Class 45 includes legal services, security services for the physical protection of tangible property and individuals, and personal and social services rendered by others to meet the needs of individuals.

The class covers:

  1. Legal services - Attorney services, mediation, IP licensing
  2. Security services - Security guards, investigation
  3. Personal services - Dating, funeral, personal assistance
  4. Social networking - Online social networking
  5. Licensing services - IP licensing, franchising

Included in Class 45

Legal Services:

  • Legal services
  • Attorney services
  • Mediation
  • Arbitration
  • IP licensing
  • Legal research
  • Notary services

Security Services:

  • Security guard services
  • Private investigation
  • Surveillance services
  • Bodyguard services
  • Background checks

Personal Services:

  • Dating services
  • Funeral services
  • Baby sitting
  • Personal shopping
  • Wedding planning
  • Pet sitting (non-boarding)

Social Networking:

  • Online social networking
  • Social introduction services
  • Club services
  • Matchmaking

Licensing:

  • Licensing of intellectual property
  • Franchise services
  • Licensing of software
  • Licensing of trademarks

NOT Included in Class 45

These similar items belong in other classes:

  • Security equipment - Class 9 (Electronics)
  • Security software - Class 9 or 42
  • Financial services - Class 36 (Financial Services)
  • Employment services - Class 35 (Advertising & Business)

Social Networking: Class 45

Online social networking services are Class 45, not telecommunications:

Class 45: Social networking services (the social platform) Class 38: Data transmission (the technical transmission) Class 42: Software platform (the SaaS technology)

Many social platforms file in all three classes.

Common Services Descriptions

Using pre-approved descriptions from the USPTO Trademark ID Manual avoids the $200 custom description surcharge.

Popular pre-approved descriptions for Class 45:

  • Legal services
  • Security services
  • Online social networking services
  • Licensing of intellectual property
  • Personal and social services
  • Dating services
  • Private investigation

Well-Known Marks in Class 45

These recognizable brands are registered in Class 45:

  • LegalZoom - Legal services
  • ADT - Security services
  • Facebook - Online social networking
  • LinkedIn - Professional networking services
  • Match.com - Dating services
  • Tinder - Dating services

Filing Tips for Class 45

Legal Technology Companies

Legal tech spans multiple classes:

What You OfferClass
Legal servicesClass 45
Legal software (SaaS)Class 42
Legal software (download)Class 9
Legal document formsClass 16

Social Platforms

Social networking requires careful classification:

ServiceClass
Social networking platformClass 45
Messaging/transmissionClass 38
Software platformClass 42
Mobile appClass 9

Specimens for Legal/Security Services

For Class 45 trademarks, acceptable specimens include:

  • Website showing services
  • Service agreements
  • Business cards
  • Marketing materials

Related Classes

If you are filing in Class 45, you may also need:

Filing Fees

Current USPTO fees for Class 45 trademark applications (2025):

Filing TypeFee per Class
Electronic filing (ID Manual description)$350
Electronic filing (custom description)$550
Paper filing$1,000

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