Trademark Attorney / Law Firm
Daniel J. Piotrowski – Trademark Portfolio
Daniel J. Piotrowski specializes in Class 11 (Environmental Control) trademark filings before the United States Patent and Trademark Office (USPTO), with 608 of 733 total filings concentrated in this category. The practice also covers Class 9 (Computers & Electronics) along with 20 other Nice Classification classes. Filing activity spans from 1926 to 2026. Currently, 345 trademarks are registered and 47 are pending.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Daniel J. Piotrowski's trademark practice covers 20 Nice Classification classes, representing the range of industries and goods/services handled in their USPTO filings.
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying
Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments
Scientific and technological services; industrial analysis and research services
Advertising; business management; business administration; office functions
Common metals and their alloys; metal building materials; transportable buildings of metal
Medical services; veterinary services; hygienic and beauty care for human beings or animals
Education; providing of training; entertainment; sporting and cultural activities
Legal services; security services for the protection of property and individuals
Frequently Asked Questions
How many trademark applications has Daniel J. Piotrowski filed?
Daniel J. Piotrowski has filed 733 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 345 registered, 47 pending, 38 abandoned, 137 cancelled.
What trademark classes does Daniel J. Piotrowski specialize in?
Daniel J. Piotrowski has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 11 (Environmental Control), Class 9 (Computers & Electronics), Class 42 (Computer & Scientific), Class 35 (Advertising & Business), Class 6 (Metal Goods). Class 11 covers apparatus for lighting, heating, steam generating, cooking, refrigerating, drying.
How long has Daniel J. Piotrowski been filing trademarks?
Daniel J. Piotrowski's trademark filing history with the USPTO spans from 1926 to 2026, covering 100 years of trademark practice. During this period, Daniel J. Piotrowski has handled 733 trademark applications.
What is Daniel J. Piotrowski's trademark registration success rate?
Daniel J. Piotrowski has a 66% trademark registration rate, with 345 out of 520 resolved applications resulting in successful registration. Currently, 47 applications are pending review.