I had a response to my original reply querying the email: 

Here are the 2+ complaints submitted against your account:

 

ISV Name

App GUID

App Title

Deeplink or AppGUID

DateSub

Complainant

Web Surfaces

59fbee60-7893-e011-986b-78e7d1fa76f8

MUFC

http://www.windowsphone.com/en-us/apps/59fbee60-7893-e011-986b-78e7d1fa76f8

7/13/2012

Manchester United Limited

Web Surfaces

a617bf1b-0080-47f2-83a3-34d94120bc4f

MUFC Highlights

http://www.windowsphone.com/en-gb/store/app/mufc-highlights/a617bf1b-0080-47f2-83a3-34d94120bc4f

12/17/2012

Manchester United Limited

 

Windows Phone Store Team

 

These date back quite a while (2011?) and I (thought I) had already resolved the issue by removing the apps (I had used the clubs logo as the App icon)