TrademarkDir

Trademark Attorney / Law Firm

Vivien Y. Tsang – Trademark Portfolio

With a filing history spanning 19 years (1995–2025), Vivien Y. Tsang has represented clients in 833 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 614 trademarks have achieved registered status, while 53 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 21 (Housewares), among 20 Nice Classification classes represented.

833 Total Trademarks
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All (833) Registered (614) Pending (53) Abandoned (127) Cancelled (38)
All Years 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2010 2008 2001 2000 1999 1998 1997 1996 1995
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Practice Areas by Trademark Class

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

9
Computers & Electronics (102 filings)

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

21
Housewares (89 filings)

Household or kitchen utensils and containers; combs and sponges; brushes

25
Clothing (86 filings)

Clothing, footwear, headgear

20
Furniture (63 filings)

Furniture, mirrors, picture frames; goods of wood, cork, reed, cane, wicker

28
Toys & Sporting Goods (57 filings)

Games and playthings; gymnastic and sporting articles; decorations for Christmas trees

11
Environmental Control (56 filings)

Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying

2
Paints (38 filings)

Paints, varnishes, lacquers; preservatives against rust and against deterioration of wood

7
Machinery (34 filings)

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

16
Paper Goods (33 filings)

Paper and cardboard; printed matter; bookbinding material; photographs; stationery

18
Leather Goods (30 filings)

Leather and imitations of leather; animal skins, hides; trunks and travelling bags

Frequently Asked Questions

How many trademark applications has Vivien Y. Tsang filed?

Vivien Y. Tsang has filed 833 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 614 registered, 53 pending, 127 abandoned, 38 cancelled.

What trademark classes does Vivien Y. Tsang specialize in?

Vivien Y. Tsang has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 21 (Housewares), Class 25 (Clothing), Class 20 (Furniture), Class 28 (Toys & Sporting Goods). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.

How long has Vivien Y. Tsang been filing trademarks?

Vivien Y. Tsang's trademark filing history with the USPTO spans from 1995 to 2025, covering 30 years of trademark practice. During this period, Vivien Y. Tsang has handled 833 trademark applications.

What is Vivien Y. Tsang's trademark registration success rate?

Vivien Y. Tsang has a 79% trademark registration rate, with 614 out of 779 resolved applications resulting in successful registration. Currently, 53 applications are pending review.