TrademarkDir

Trademark Attorney / Law Firm

Sean D. O'Brien – Trademark Portfolio

With a filing history spanning 36 years (1956–2026), Sean D. O'Brien has represented clients in 352 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 185 trademarks have achieved registered status, while 45 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 32 (Light Beverages), among 20 Nice Classification classes represented.

352 Total Trademarks
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All (352) Registered (185) Pending (45) Abandoned (45) Cancelled (60)
All Years 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2005 2004 2003 2000 1997 1995 1994 1992 1991 1990 1988 1986 1984 1983 1982 1977 1956
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Practice Areas by Trademark Class

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

9
Computers & Electronics (66 filings)

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

32
Light Beverages (39 filings)

Beers; mineral and aerated waters and other non-alcoholic beverages; fruit beverages

35
Advertising & Business (34 filings)

Advertising; business management; business administration; office functions

25
Clothing (33 filings)

Clothing, footwear, headgear

41
Education & Entertainment (30 filings)

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

42
Computer & Scientific (28 filings)

Scientific and technological services; industrial analysis and research services

30
Staple Foods (25 filings)

Coffee, tea, cocoa and artificial coffee; rice; tapioca and sago; flour and preparations

39
Transportation & Storage (18 filings)

Transport; packaging and storage of goods; travel arrangement

40
Treatment & Processing (16 filings)

Treatment of materials

6
Metal Goods (15 filings)

Common metals and their alloys; metal building materials; transportable buildings of metal

Frequently Asked Questions

How many trademark applications has Sean D. O'Brien filed?

Sean D. O'Brien has filed 352 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 185 registered, 45 pending, 45 abandoned, 60 cancelled.

What trademark classes does Sean D. O'Brien specialize in?

Sean D. O'Brien has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 32 (Light Beverages), Class 35 (Advertising & Business), Class 25 (Clothing), Class 41 (Education & Entertainment). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.

How long has Sean D. O'Brien been filing trademarks?

Sean D. O'Brien's trademark filing history with the USPTO spans from 1956 to 2026, covering 70 years of trademark practice. During this period, Sean D. O'Brien has handled 352 trademark applications.

What is Sean D. O'Brien's trademark registration success rate?

Sean D. O'Brien has a 64% trademark registration rate, with 185 out of 290 resolved applications resulting in successful registration. Currently, 45 applications are pending review.