Ad buying coordination is now antitrust liability, not brand safety
The FTC's Havas consent order reclassifies collective publisher exclusion lists as collusion, creating immediate legal exposure for agencies coordinating client boycotts across viewpoint categories.
No single number captures it — the story is in the connections.
The FTC framed Havas's conduct as 'collusive' under competition law, not unfair practice under consumer protection statutes, elevating coordinated demonetization from civil complaint territory to antitrust enforcement.
One pattern. Trace it.
- 01
Three patterns to track over the next 90 days
First, FTC enforcement cadence: watch for additional agency investigations or consent orders following the Havas precedent — if a second major agency is targeted by September 2026, this becomes an industry-wide compliance mandate, not an isolated action. Track FTC Commissioner public statements and state AG filings.
- Shift
Agencies can no longer treat multi-client exclusion lists as routine brand safety without antitrust counsel review
- Shift
OpenAI is building five distinct ad format categories requiring creative capabilities agencies do not yet possess
- Shift
AI agents now drive publisher site architecture decisions as discovery fractures away from search-only optimization
“Which of our programmatic exclusion lists involve multi-agency coordination, and have we documented independent business justification for each excluded category?”
Ask your general counsel whether your agency participates in any industry coalition that collectively decides which publishers to defund, and get outside antitrust review this week.
By Joseph Lancaster, Editor — with research from Pine Needle's intelligence layer.
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