Flat-rate fees for routine matters:

Patents in the USA:

National stage application (§ 371) / PCT
EUR 800 + USPTO fees

Direct application (based on a German application)
EUR 800 + USPTO fees

Provisional application (based on a German description)
EUR 300 + USPTO fees

Design patent application (drawings already in the US format)
EUR 500 + USPTO fees

Answering an office action
Depends on the individual case

Issue fee:
EUR 150 + USPTO fees

Maintenance fee:
EUR 100 + USPTO fees
EUR 150 + USPTO fees with a status change

Trademarks in the USA:

Trademark application (1 class - without a search - description of goods is available / otherwise further work per hour)
EUR 400 + USPTO fees

Answering an office action
Depends on the individual case

Statement of Use
EUR 250 + USPTO fees

5-6 years after registration
Declaration of continued use and opt. declaration of incontestability (§ 8 + § 15)
EUR 300 + USPTO fees

9-10 years after registration
Trademark renewal (§ 8 + § 9)
EUR 300 + USPTO fees

Fees are subject to change without notice.

The fees for the United States Patent and Trademark Office can be found here.

The fees for the national stage (PCT applications) can be found here.

Otherwise, EUR 250 / hour + USPTO fees

The relevant VAT will be added to all prices.