Service businesses often confuse Class 35 and Class 42. Class 35 covers business, retail, advertising and management services. Class 42 covers technology, software development, IT and scientific/design services. A consultancy is usually Class 35; a software-development firm is usually Class 42.
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
| Class 35 · Business services | Class 42 · Tech & IT services | |
|---|---|---|
| What it protects | Advertising, retail, business management & admin | Software development, IT, scientific & design services |
| Typical filer | Agencies, consultancies, marketplaces, retailers | SaaS firms, dev shops, design studios, labs |
| Example | A digital marketing agency | A company that builds software for clients |
| Marketplace / platform | The retail/aggregator business side | The technology platform itself |
You provide advertising, retail, marketing, HR or business-management services.
You provide software development, IT, hosting, engineering or design services.
Describe your goods or services in plain words — AI Class Search returns the exact classes and officially accepted terms to file under.
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