Trademark Attorney / Law Firm

Diana Portna – Trademark Portfolio

With a filing history spanning 16 years (2003–2026), Diana Portna has represented clients in 1,447 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 660 trademarks have achieved registered status, while 683 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 35 (Advertising & Business), among 20 Nice Classification classes represented.

1,447 Total Trademarks
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Practice Areas by Trademark Class

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

9
Computers & Electronics (214 filings)

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

35
Advertising & Business (126 filings)

Advertising; business management; business administration; office functions

42
Computer & Scientific (123 filings)

Scientific and technological services; industrial analysis and research services

12
Vehicles (117 filings)

Vehicles; apparatus for locomotion by land, air or water

25
Clothing (116 filings)

Clothing, footwear, headgear

21
Housewares (115 filings)

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

20
Furniture (113 filings)

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

28
Toys & Sporting Goods (103 filings)

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

3
Cosmetics & Cleaning (86 filings)

Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring

41
Education & Entertainment (76 filings)

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

Frequently Asked Questions

How many trademark applications has Diana Portna filed?

Diana Portna has filed 1,447 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 660 registered, 683 pending, 90 abandoned, 4 cancelled.

What trademark classes does Diana Portna specialize in?

Diana Portna has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 35 (Advertising & Business), Class 42 (Computer & Scientific), Class 12 (Vehicles), Class 25 (Clothing). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.

How long has Diana Portna been filing trademarks?

Diana Portna's trademark filing history with the USPTO spans from 2003 to 2026, covering 23 years of trademark practice. During this period, Diana Portna has handled 1,447 trademark applications.

What is Diana Portna's trademark registration success rate?

Diana Portna has a 88% trademark registration rate, with 660 out of 754 resolved applications resulting in successful registration. Currently, 683 applications are pending review.