Is My Guitar Pedal a Klone or a Counterfeit? — No Infringement Intended Podcast
(Podcast) The Briefing: Trademark Basics – Protecting Names, Logos, and Brands in Entertainment
The Briefing: Trademark Basics - Protecting Names, Logos, and Brands in Entertainment
PODCAST: Williams Mullen's Trending Now: An IP Podcast - Cease and Desist Letters: Protecting Your Intellectual Property the Right Way
(Podcast) The Briefing: Sinking the Rogers Test? What Pepperdine’s Lawsuit Could Mean for Hollywood
The Briefing: Sinking the Rogers Test? What Pepperdine’s Lawsuit Could Mean for Hollywood
Mickey Mouse: un ratón con abogado
(Podcast) The Briefing: Trademark Mayhem – Lady Gaga Gets Sued for Trademark Infringement
The Briefing: Trademark Mayhem – Lady Gaga Gets Sued for Trademark Infringement
The Briefing: Everyone Loves the HBO Series 'White Lotus,' Except Duke University
(Podcast) The Briefing: Everyone Loves the HBO Series 'White Lotus,' Except Duke University
What Were the Cooler Wars? (Part 2) — No Infringement Intended Podcast
The Briefing: Court Drowns Pepperdine's 'Waves' Trademark Battle Against Netflix
(Podcast) The Briefing: Court Drowns Pepperdine's 'Waves' Trademark Battle Against Netflix
The Briefing: The Stanley Cup Clash - A Trademark Battle (Podcast)
The Briefing: The Stanley Cup Clash - A Trademark Battle
(Podcast) The Briefing: Bad Spaniels – Infringement? No. Dilution? Yes
The Briefing: Bad Spaniels – Infringement? No. Dilution? Yes
Can My Trademark Be a Victim of Genericide? — No Infringement Intended Podcast
PODCAST: Williams Mullen's Trending Now: An IP Podcast - Leverage Your IP - Residual Goodwill in Trademarks
In a recent decision establishing important precedent for trademark rights associated with digital assets, the Court of Appeals in Yuga Labs, Inc. v. Ripps, Case No. 24-879, 2025 WL 2056060 (9th Cir. July 23, 2025), clarified...more
The Singapore Court of Appeal's decision in East Coast Podiatry Centre Pte Ltd v Family Podiatry Centre Pte Ltd [2025] SGCA 28 ("East Coast Podiatry") marks a significant development in Singapore's trade mark jurisprudence,...more
The UK Supreme Court recently handed down judgement in the case of Iconix Luxembourg Holdings SARL v. Dream Pairs Europe Inc. The decision has provided important clarity on the question of whether post-sale confusion is...more
The Court ruled that the post-sale context can be relevant when establishing similarity between trade marks....more
IP cases in the cannabis industry are lighting up court dockets more and more. In a new case with potential for serious baggage, Kinzie Advanced Polymers, LLC (“Kinzie”) filed a federal lawsuit against a group of...more
In the debut episode of The Upper Brand podcast, Mayer Brown attorneys Richard Assmus, Kristine Young, and Christa Cole delve into the evolving world of non-traditional trademarks—covering everything from colors and scents to...more
A recent federal court decision highlights the delicate balance between U.S. Food and Drug Administration (FDA) guidance and trade dress protections for drugs administered in a tablet or capsule form. Last month, a district...more
The battle over beauty “dupes” just got more interesting. In a major win for e.l.f. Cosmetics, a California federal judge ruled that its Lash ’N Roll mascara doesn’t infringe the trademarks and trade dress of Benefit...more
Pop star Katy Perry has successfully appealed a Federal Court ruling over the use of an Australian designer’s trade mark registration for the words KATIE PERRY. The recent decision by the Full Court of the Federal Court...more
Addressing this case for the third time, the US District Court for the District of Arizona found on remand that Jack Daniel’s was entitled to a permanent injunction after finding that VIP Products’ “Bad Spaniels” dog toy...more
School merch is big business. Students want sweats, mugs and the like to show they belong at the school. Alums want merch to show they went to the school. Other purchasers want merch as an aspirational statement, or to...more
When, if ever, is it okay to use a trademark in U.S. commerce that is identical to another company’s mark used outside the U.S.? Courts have struggled with this issue for years, and the U.S. Patent and Trademark Office...more
Many eyes were on the Nittany Lions this past year as sports pundits speculated The Pennsylvania State University (Penn State) would make it to the College Football National Championship. But those with an interest in...more
A longstanding Australian brand, UGG Since 1974, is fighting for the right to use its UGG trademark for footwear in the United States. Deckers Outdoor Corporation, a US-based shoe company, filed a lawsuit against the...more
Conventional notions of trademark law suggest that emulating a popular product or service carries certain legal risks. However, a recent federal ruling highlights the complexities of trademark infringement cases involving...more
In August, Vans, a globally-known footwear and apparel company, and MSCHF, a Brooklyn-based art collective, settled their trademark and trade dress dispute, entering an agreement that permanently enjoins and restrains MSCHF...more
In the long-running trade mark dispute between international popstar Katy Perry and Australian fashion designer Katie Taylor, the Full Federal Court has overturned the first instance decision of Taylor v Killer Queen, LLC (No...more
Businesses use several advertising tactics. Most are clearly presented to potential consumers in traditional ways such as text on a web page, posters, mailings, brochures, etc. Alternatively, some tactics to increase exposure...more
In a trademark case involving an incontestable registration, the US Court of Appeals for the First Circuit affirmed a district court ruling denying the registrant a preliminary injunction (PI) for failure to establish...more
Pennsylvania State University has secured wins on the field and in court this football season with a 10-1 football record (and likely a College Football Playoff berth), and a jury verdict in its favor in a lawsuit against...more
A jury determined Tuesday, November 20, that Vintage Brands willfully violated Penn State University's trademarks by selling merchandise featuring vintage Penn State logos. The jury also rejected Vintage Brands’ affirmative...more
This week, a Pennsylvania jury is hearing argument in a trial that will decide The Pennsylvania State University's trademark infringement claims against Vintage Brand, LLC, its affiliated company, and its owner. According to...more
The Court of Appeal has confirmed that the existence of a “crowded market” and any coexistence terms entered into by parties may be relevant factors in assessing likelihood of confusion. While the Lifestyle Equities v Royal...more
In the September 2022 issue of Kattison Avenue, we reported on a decision in the Southern District of New York dismissing claims by 1-800 Contacts, Inc. (1-800) against JAND, Inc., which does business as Warby Parker. The...more
In October 2024, both the US Courts of Appeals for the Second and Ninth Circuits issued published decisions that rejected trademark infringement claims based on advertising in keyword searches. While not precedent-breaking,...more