Advertising and marketing regulation
Marketinglaw Update: September 2025
Published on 1st September 2025
Welcome to the latest edition of MarketingLaw.

This month's coverage includes:
Regulatory updates:
- CAP's guide to genuine 'before and after' advertising
- UK regulators take action against nine advertisers of medicated weight-loss treatments
- Cut the waffle: no unauthorised food health claims and no HCP endorsements
ASA rulings:
- Tonic Health's claims put to bed: fake testimonials and unsubstantiated health claims
- ASA addresses fine line between ads featuring (un)healthy body image
- 'No junk' claims thrown out by ASA
- Gambling gaffes: Play n Go in hot water over kid-friendly ads, but Mecca and Buzz Bingo cleared
- Now you see me, now you don't: prices advertised lower, charged higher
- Fast Flowers fiasco: ASA ruling on misleading delivery claims
- Aramco F1 partnership steers clear of greenwashing claim
You may also be interested in...
Osborne Clarke Insights:
- UK CMA provides further guidance on the 'drip pricing' provisions of the DMCCA
- Digital Fairness Act Unpacked: Dark Patterns
- Digital Fairness Act Unpacked: Addictive Design
- Digital Fairness Act Unpacked: specific features in digital products – particularly those common in video games
- Digital Fairness Act Unpacked: Unfair personalisation practices
- Greenwashing and green claims: New legal framework for sustainability communication being implemented in Germany, further tightening on EU level still unclear
- Greenwashing deliveries: Poland's UOKiK takes aim
- Are you ready for the Data Act?
- International video game law: how quality assurance and localisation services can address emerging legal issues
- International video game law: what issues are IP owners facing when exploiting game IP in new ways?
Osborne Clarke Events:
Dipping into Data webinar series
Autumn 2025
See full programme and register now >
Eating Compliance for Breakfast Autumn 2025 webinar series
Autumn 2025 | 09:00 - 09:30
See full programme and register now >
Products Unpacked
London | 10 September 2025 | 09:00 - 12:30
Register now >