Trademark Attorney / Law Firm

Chang-Hsing Jason Liang – Trademark Portfolio

Chang-Hsing Jason Liang specializes in Class 10 (Medical Apparatus) trademark filings before the United States Patent and Trademark Office (USPTO), with 1 of 2 total filings concentrated in this category. The practice also covers Class 5 (Pharmaceuticals) along with 2 other Nice Classification classes. Filing activity spans from 2005 to 2025. Currently, 1 trademark is registered and 1 is pending.

2 Total Trademarks
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Practice Areas by Trademark Class

Chang-Hsing Jason Liang's trademark practice covers 2 Nice Classification classes, representing the range of industries and goods/services handled in their USPTO filings.

10
Medical Apparatus (1 filing)

Surgical, medical, dental and veterinary apparatus and instruments

5
Pharmaceuticals (1 filing)

Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes

Frequently Asked Questions

How many trademark applications has Chang-Hsing Jason Liang filed?

Chang-Hsing Jason Liang has filed 2 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 1 registered, 1 pending.

What trademark classes does Chang-Hsing Jason Liang specialize in?

Chang-Hsing Jason Liang has filed trademarks across 2 Nice Classification classes. The most common practice areas include Class 10 (Medical Apparatus), Class 5 (Pharmaceuticals). Class 10 covers surgical, medical, dental and veterinary apparatus and instruments.

How long has Chang-Hsing Jason Liang been filing trademarks?

Chang-Hsing Jason Liang's trademark filing history with the USPTO spans from 2005 to 2025, covering 20 years of trademark practice. During this period, Chang-Hsing Jason Liang has handled 2 trademark applications.

What is Chang-Hsing Jason Liang's trademark registration success rate?

Chang-Hsing Jason Liang has a 100% trademark registration rate, with 1 out of 1 resolved applications resulting in successful registration. Currently, 1 application is pending review.