What does the government charge for trademark registration filings?

Trademark registration and maintenance fees change as much and as quickly as postage fees. In general, you can always verify the current trademark registration fee schedule at: http://www.uspto.gov/web/offices/ac/qs/ope/fee2009september15.htm

National Trademark Registration Fees

As of 2010, the filing fees for a trademark are as follows:
Application for Registration: $375
Filing an Amendment: $100
Filing an Extension: $150
Renewal Application: $400

Madrid Trademark Registration Fees

The Madrid Protocol can be used for international patent applications in the applicable countries.
Application: $100
Correction of deficiencies: $100

Trademark Registration Fees in Other International Countries

Any country that is not in the Madrid Protocol will have its own set of fee schedules available on its government's website. In general, anticipate an average of $1,500 for the complete trademark registration application process, including attorney’s fees. Talk to an intellectual property attorney if you have questions or concerns about registering a trademark.