LinkedIn does not send notifications when a user is blocked . To confirm if you have been blocked, use the following indicators and verification methods: Primary Signs of Being Blocked Profile Inaccessibility
To confirm if you are blocked rather than the person having simply deleted their account:
The Direct Profile URL Method
Every LinkedIn profile has a unique URL. Usually, it looks like this:
: Their name no longer appears in LinkedIn's internal search results when you are logged in, even though it may appear if you search via Google or while logged out. Automatic Disconnection