TrademarkDir

Trademark Attorney / Law Firm

Calvin Chai – Trademark Portfolio

With a filing history spanning 28 years (1985–2026), Calvin Chai has represented clients in 3,745 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 3,088 trademarks have achieved registered status, while 199 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 11 (Environmental Control), among 20 Nice Classification classes represented.

3,745 Total Trademarks
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All (3,745) Registered (3,088) Pending (199) Abandoned (343) Cancelled (85)
All Years 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2006 2005 2004 2003 2002 1999 1991 1988 1985
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