Your name might already be trademarked-but in a different class. Understanding trademark classes unlocks names you thought were taken.
45 Trademark Classes
Goods (1-34), Services (35-45). You register per class, £170-200 each.
Same Name, Different Class = Legal
"Delta" exists for airlines, faucets, dental. Different industries, no conflict.
Your Name Might Be Available
Even if trademarked, check if it's in your industry. "Apple" was free for tech when founded (music label owned it).
Common Classes
Class 9: Software. Class 35: Retail. Class 42: Tech services. Class 41: Education.
Multi-Class Registration
If you sell products AND services, register both classes (£340-400 total).
Check Class-Specific Conflicts
Trademark Lens shows conflicts by class.