Client Portal Your Dedicated Space for Case Updates, Messaging, and File Sharing. Client Portal Access Access your secure case updates, documents, invoices, and messages anytime through our official MyCase client portal. Log In to Your Client Portal Click the link above.Click the link above. Enter the email address you provided to Winn Law Firm. Follow the on-screen prompts to log in or reset your password. Need Assistance? 314-305-5581 winnerscircle@thewinnlawfirm.com