If you filed a Intent-to-Use Application and have received Notice of Allowance, in order for the Application to Register, you must file a Statement of Use showing how you are using the mark in in connection with the goods (products) or services sold in commerce.
Acceptable Specimens for Goods:
Labels or Tags: photograph of label or tag affixed to a container or package in which the product is sold or shipped.
Signs: photograph of a sign or poster on which the mark is prominently displayed in connection with the goods.
Website: a website is an acceptable specimen if the mark appears near a picture of the goods where your customers can order the goods from the website.
NOT acceptable specimen for Goods:
Invoices, announcements, order forms, brochures, letterhead and business cards are generally not acceptable specimens for goods.
Acceptable Specimens for Services:
A specimen for a mark used in connection with services must show the mark used in providing or advertising the services. The specimen may be a photograph of a business sign, a brochure about the services, an advertisement for services, a webpage, business card or stationary showing the mark. The specimen must show or contain some reference to the services, that is, it is not just a display of the mark itself.
NOT Acceptable Specimens for Services:
Proofs for advertisement or news articles about your services because they do not show your mark in use.
For more information, please visit: www.uspto.gov/sites/default/files/trademarks/basics/BasicFacts.pdf