TrademarkDir

Trademark Attorney / Law Firm

Zhirong Liu – Trademark Portfolio

With a filing history spanning 23 years (1991–2026), Zhirong Liu has represented clients in 6,951 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 5,953 trademarks have achieved registered status, while 119 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 25 (Clothing), among 20 Nice Classification classes represented.

6,951 Total Trademarks
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All (6,951) Registered (5,953) Pending (119) Abandoned (844) Cancelled (28)
All Years 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2008 2007 2006 2001 2000 1999 1992 1991
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