Technical use requirements differ for trademarks and service marks.
Stop counterfeits and grey market goods at the door simply and inexpensively.
There are similarities and differences between a company name and a trademark or service mark.
The fact that a work is old does not necessarily mean it is in the public domain.
How to avoid unnecessary payments to scam artists.
You have various options when you receive a letter accusing you of patent infringement.
The translation of a registered mark may be barred from registration in the United States.
Recognizing domain name scams.
Lock in a Customs ruling on tariff, country of origin, marking, valuation, admissibility or duty preference.
What is the difference between the trademark symbols ® and ™?