TrademarkDir

Trademark Attorney / Law Firm

Yan Song – Trademark Portfolio

With a filing history spanning 32 years (1991–2026), Yan Song has represented clients in 1,247 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 861 trademarks have achieved registered status, while 158 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 35 (Advertising & Business), among 20 Nice Classification classes represented.

1,247 Total Trademarks
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All (1,247) Registered (861) Pending (158) Abandoned (108) Cancelled (88)
All Years 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2002 2001 2000 1999 1998 1997 1995 1994 1991
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