Trademark Attorney / Law Firm

Sean P. McMahon – Trademark Portfolio

With a filing history spanning 44 years (1972–2026), Sean P. McMahon has represented clients in 1,074 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 586 trademarks have achieved registered status, while 103 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 25 (Clothing), among 20 Nice Classification classes represented.

1,074 Total Trademarks

All (1,074) Registered (586) Pending (103) Abandoned (146) Cancelled (147)

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Registered 1997

Practice Areas by Trademark Class

Sean P. McMahon's trademark practice covers 20 Nice Classification classes, representing the range of industries and goods/services handled in their USPTO filings.

Computers & Electronics (191 filings)

Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments

Clothing (171 filings)

Clothing, footwear, headgear

Computer & Scientific (152 filings)

Scientific and technological services; industrial analysis and research services

Education & Entertainment (140 filings)

Education; providing of training; entertainment; sporting and cultural activities

Advertising & Business (132 filings)

Advertising; business management; business administration; office functions

Machinery (129 filings)

Machines and machine tools; motors and engines; machine coupling and transmission components

Medical Apparatus (61 filings)

Surgical, medical, dental and veterinary apparatus and instruments

Pharmaceuticals (58 filings)

Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes

Building & Construction (56 filings)

Building construction; repair; installation services

Jewelry (49 filings)

Precious metals and their alloys; jewellery, precious stones; horological instruments

Frequently Asked Questions

How many trademark applications has Sean P. McMahon filed?

Sean P. McMahon has filed 1,074 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 586 registered, 103 pending, 146 abandoned, 147 cancelled.

What trademark classes does Sean P. McMahon specialize in?

Sean P. McMahon has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 25 (Clothing), Class 42 (Computer & Scientific), Class 41 (Education & Entertainment), Class 35 (Advertising & Business). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.

How long has Sean P. McMahon been filing trademarks?

Sean P. McMahon's trademark filing history with the USPTO spans from 1972 to 2026, covering 54 years of trademark practice. During this period, Sean P. McMahon has handled 1,074 trademark applications.

What is Sean P. McMahon's trademark registration success rate?

Sean P. McMahon has a 67% trademark registration rate, with 586 out of 879 resolved applications resulting in successful registration. Currently, 103 applications are pending review.