Guidance for series application:-

Around 40% of series application don’t meet the requirements. We recommend you read this manual in case you are thinking about making a series application.
Your
trademark variations may be considered a series if you have more than one.
A trade mark series comprises a maximum of six marks within a single application.
In order for a series to be accepted, the marks need to:
appear identical
sound identical
have the same meaning
Any variations must be minimal.
Price
There is an additional charge of £50 per mark for a sequence of more than two marks.
Even in the event that IPO reject your series application, this money is non-refundable.
