I guess I can't file a claim after all. It has been too long. From paypal's site:
"Disputes must be filed no later than 45 days from the date of payment. Disputes must be escalated into a claim no later than 20 days from the date the dispute has been filed."
I thought it was 60 days for some reason. Seller has not responded to email for 2 days now, so I would say it is not looking so rosy.