Sydney Sirens Trademark Battle: Netball vs Ice Hockey 2026

The Sydney Sirens trademark battle pits a new Super Netball franchise against an amateur ice hockey team with 20 years of history. This David-versus-Goliath legal dispute highlights the complexities of brand ownership in Australian sports.

Background: The Sirens Name in Australian Sport

The name “Sirens” draws from Greek mythology, popularized by the recent film The Odyssey. Two Sydney-based teams now claim rights to this moniker: the newly acquired Super Netball team and the long-established women’s ice hockey club.

Sports Entertainment Network (SEN) acquired the Giants’ Super Netball licence and immediately filed a trademark application for “Sydney Sirens.” The ice hockey team, established in 2005, has used the name for over two decades and owns the associated domains.

Legal Implications of the Trademark Application

IP Australia is currently reviewing SEN’s application. Even if approved, the ice hockey team may challenge it based on prior use and potential confusion. Trademark law in Australia prioritizes first use and market recognition.

Why This Matters for Sports Branding

This case underscores the importance of thorough trademark searches before launching a team. It also raises questions about protecting legacy clubs against corporate newcomers.

• Prior use can establish common law rights even without registration.
• Likelihood of confusion is a key test in trademark disputes.
• Domain ownership adds leverage in negotiations.

Potential Outcomes and Next Steps

SEN may withdraw the application, rebrand the netball team, or reach a coexistence agreement with the ice hockey club. The ice hockey team could oppose the trademark or seek financial compensation.

Legal experts suggest that the ice hockey team has a strong case due to its long history and active use of the name in the same city.

Key Takeaways for Sports Fans and Marketers

This dispute serves as a cautionary tale for any organization choosing a team name. Always conduct comprehensive IP due diligence and consider existing community teams.

For the Sydney Sirens ice hockey team, the fight is about preserving identity and legacy. For SEN, it’s about building a fresh brand in netball—but not at the expense of legal integrity.

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How Australian Trademark Priority Operates

The Sydney Sirens dispute turns on a distinction the article sets out plainly: IP Australia is reviewing SEN's application, but registration is not the same as ownership. Australian trademark law prioritises first use and market recognition, so the ice hockey club's use of the name since 2005 sits upstream of any registration SEN might obtain. Prior use can establish common law rights even without registration, which means the amateur club's position does not depend on holding a certificate.

The second test named in the article is likelihood of confusion, and the geography sharpens it: both claimants are Sydney-based. The club also owns the associated domains, which the article treats as leverage in negotiations rather than as a trademark right in itself. The stated timeline matters too: IP Australia typically takes 7-12 months from filing to registration if no objections are raised, and an opposition can extend that period significantly.

What the Two Sides Must Establish

For the ice hockey team, the article lists three things it would need to demonstrate in a dispute: prior use of the name in commerce, public association of the name with their team, and that SEN's use would cause confusion. Each element maps onto facts the club already holds, given its 2005 establishment and two decades of use, though the article stops short of predicting how IP Australia or a court would weigh them.

SEN's position is different in kind. It acquired the Giants' Super Netball licence and filed immediately for 'Sydney Sirens', entering the name as a new franchise in 2025 with the resources of a major sports network behind it. The article records the legal position as a pending application against the club's prior use and domain ownership, and notes that legal experts suggest the ice hockey team has a strong case because of its long history and active use of the name in the same city.

Paths Out and Unresolved Questions

The article sets out four possible endings: SEN withdraws the application, SEN rebrands the netball team, the two sides reach a coexistence agreement, or the ice hockey club opposes the trademark or seeks financial compensation. Each carries a different cost. Withdrawal leaves SEN without the brand it filed for; coexistence splits a name across two sports in one city; opposition adds time to a process already running 7-12 months at best.

What the article does not resolve is decisive. Whether IP Australia approves the application at all is pending, and approval would not end the matter, since the club could still challenge on prior use and confusion. The open question is whether SEN treats the club's 20-year history and domain ownership as a negotiating asset worth paying for, or as an obstacle to design around. For the ice hockey team, the article frames the fight as one of preserving identity and legacy; for SEN, as building a fresh netball brand without sacrificing legal integrity.