US · dismissed · ~6 min read
Sulzer Mixpac trademark counterclaim
2026–2026 · trademarks
An antitrust counterclaim about a trademark filing was dismissed on September 30, 2026.
The story
DXM's antitrust counterclaim against Sulzer Mixpac was dismissed with prejudice on September 30, 2026, with no leave to amend.
Why it matters
Customers of industrial mixing products are the buyers downstream of the trademark dispute. The antitrust theory was a counterclaim, not a government case.
What was claimed
DXM said trademark filings were a monopoly act.
The other side
The court dismissed the counterclaim with prejudice on September 30, 2026. It said a trademark filing, as pleaded, was not a monopoly act.
What it means for you
There is no antitrust remedy in that court. The underlying trademark dispute is a different claim.
Bottom line
The Mixpac antitrust counterclaim is dismissed.
Timeline
2026
Record
DXM's antitrust counterclaim against Sulzer Mixpac was dismissed with prejudice on September 30, 2026, with no leave to amend.
Key dates
- Dismissed
- 30 September 2026
Formal snapshot
Summary: DXM's antitrust counterclaim against Sulzer Mixpac was dismissed with prejudice on September 30, 2026, with no leave to amend.
Regulator / plaintiff argument: DXM said trademark filings were a monopoly act.
Outcome: The court rejected the theory and ended the counterclaim.
Conduct tags
Laws referenced
- Sherman Act §2 — 15 U.S.C. §2
Companies
Sources
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