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USPTO allows Acorda Ampyra patent application

The US Patent and Trademark Office (USPTO) has allowed Acorda Therapeutics' US Patent Application No. 11/010,828 entitled 'Sustained Release Aminopyridine Composition.'

The patent application covers methods to improve walking in patients with multiple sclerosis (MS) by administering 10mg of sustained release 4-aminopyridine (dalfampridine) twice daily.

Acorda is marketing Ampyra (dalfampridine) extended release tablets, 10 mg as a treatment to improve walking in people with MS.