Jason “Revok” Williams is the latest graffiti artist to seek to protect his copyright after H&M used his work in an ad.
The Swedish fast-fashion giant is holding a Capital Markets Day in Stockholm to detail its transition.
Euromonitor also issued a warning to fast fashion companies in its latest report.
The retailer plans to debut a discount marketplace for fashion and lifestyle products with both external and H&M group brands.
A spokesman for the Swedish fast-fashion retailer declined to comment on a report that it plans to launch the new platform in April.
Cooke specializes in men’s wear and will launch his own label during London Fashion Week Men’s in January.
The former minister plastered the town with messages of criticism against the Swedish retailer.
Companies including Core Partners, H&M, Lenzing, Nike Inc. and C&A Foundation have endorsed, and contributed to, the report.