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Trademark Attorney / Law Firm

William Chang – Trademark Portfolio

With a filing history spanning 15 years (2002–2026), William Chang has represented clients in 140 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 44 trademarks have achieved registered status, while 73 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 25 (Clothing), among 20 Nice Classification classes represented.

140 Total Trademarks
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All (140) Registered (44) Pending (73) Abandoned (21) Cancelled (1)
All Years 2026 2025 2024 2023 2022 2019 2018 2017 2016 2014 2013 2012 2004 2003 2002
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