Professional liability question
I've got the following fragment in my insurance:
"We agree to pay on your behalf all sums which you become legally obliged to pay (including liability for claimants' costs and expenses) as a result of any claim first made against you during the period of the policy arising out of your professional activities (...)".
Let's say I am providing my services to my Client.
My Client is providing his services (I am my Client's sub-contractor) to another Company.
What happens if that Company makes a claim against my Client? Does my insurance cover such a case, where my Client's insurance turns out not "big enough" (i.e. the liability limit of his own insurance is exceeded)?
I just want to understand what does "claim first made against you" means.