TTAB Won't Let Motorola Trademark Phone Chirp

By Ryan Davis ( June 17, 2009, 12:00 AM EDT) -- Motorola Inc. has struck out in a bid to register a sound trademark for a chirp noise made by its cell phones when used in the walkie-talkie mode. . . .

Law360 is on it, so you are, too.

A Law360 subscription puts you at the center of fast-moving legal issues, trends and developments so you can act with speed and confidence. Over 200 articles are published daily across more than 60 topics, industries, practice areas and jurisdictions.


A Law360 subscription includes features such as

  • Daily newsletters
  • Expert analysis
  • Mobile app
  • Advanced search
  • Judge information
  • Real-time alerts
  • 450K+ searchable archived articles

And more!

Experience Law360 today with a free 7-day trial.

Start Free Trial

Already a subscriber? Click here to login

Law firms and the legal profession are facing new uncertainties, shifting the stress levels, economic pressures, and overall contentment of lawyers in private practice, according to the 2025 Law360 Pulse Lawyer Satisfaction Survey.

Hello! I'm Law360's automated support bot.

How can I help you today?

For example, you can type:
  • I forgot my password
  • I took a free trial but didn't get a verification email
  • How do I sign up for a newsletter?
Ask a question!