TrademarkDir

Trademark Attorney / Law Firm

Francis J. Duffin – Trademark Portfolio

With a filing history spanning 56 years (1910–2025), Francis J. Duffin has represented clients in 3,647 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 925 trademarks have achieved registered status, while 92 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 35 (Advertising & Business), among 20 Nice Classification classes represented.

3,647 Total Trademarks
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All (3,647) Registered (925) Pending (92) Abandoned (1,231) Cancelled (1,338)
All Years 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1981 1980 1975 1973 1969 1968 1964 1935 1934 1933 1930 1921 1910
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