Last Updated: September 24, 2026

EMSAM Drug Patent Profile


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When do Emsam patents expire, and when can generic versions of Emsam launch?

Emsam is a drug marketed by Somerset and is included in one NDA.

The generic ingredient in EMSAM is selegiline. There is one drug master file entry for this compound. One supplier is listed for this compound. Additional details are available on the selegiline profile page.

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Summary for EMSAM

US Patents and Regulatory Information for EMSAM

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Somerset EMSAM selegiline FILM, EXTENDED RELEASE;TRANSDERMAL 021336-001 Feb 27, 2006 RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Somerset EMSAM selegiline FILM, EXTENDED RELEASE;TRANSDERMAL 021336-002 Feb 27, 2006 RX Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Somerset EMSAM selegiline FILM, EXTENDED RELEASE;TRANSDERMAL 021336-003 Feb 27, 2006 RX Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Expired US Patents for EMSAM

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Somerset EMSAM selegiline FILM, EXTENDED RELEASE;TRANSDERMAL 021336-001 Feb 27, 2006 7,070,808 ⤷  Start Trial
Somerset EMSAM selegiline FILM, EXTENDED RELEASE;TRANSDERMAL 021336-002 Feb 27, 2006 RE34579 ⤷  Start Trial
Somerset EMSAM selegiline FILM, EXTENDED RELEASE;TRANSDERMAL 021336-003 Feb 27, 2006 7,070,808 ⤷  Start Trial
Somerset EMSAM selegiline FILM, EXTENDED RELEASE;TRANSDERMAL 021336-002 Feb 27, 2006 7,638,140 ⤷  Start Trial
Somerset EMSAM selegiline FILM, EXTENDED RELEASE;TRANSDERMAL 021336-001 Feb 27, 2006 RE34579 ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

International Patents for EMSAM

See the table below for patents covering EMSAM around the world.

Country Patent Number Title Estimated Expiration
European Patent Office 0887075 ⤷  Start Trial
European Patent Office 1561461 ⤷  Start Trial
Japan H1160475 ADHESIVE MIXTURE FOR TRANSCUTANEOUS DISTRIBUTION OF HIGHLY PLASTIC AGENT ⤷  Start Trial
Australia 3502289 ⤷  Start Trial
Australia 628340 ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

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