How can you investigate copyrights and copyright renewal certificates of sewing patterns to determine if they’re in public domain?
1. Visit the United States Copyright Office:
- For a fee a copyright worker can research the copyright for you.
- Research yourself.
- Utilize the free online database for copyrights since 1978.
2. Hire a copyright search firm to research the matter for you.
3. Hire an intellectual property attorney for you to research the matter for you.