Nina L. Kaufman, Esq. is an award-winning New York City attorney, edutainer and author. Under her Ask The Business Lawyer brand, she reaches thousands of entrepreneurs and small business owners with her legal services, professional speaking, information products, and LexAppeal weekly ezine. She also writes the Making It Legal blog.
Can I get a patent on a modification of an existing invention?
Do I need to patent a baby carrier I am planning to sell? I kind of modified the existing one. What if the seller of the original carrier has the patent? Can I still sell mine?