Elaprase® (idursulfase)

BL 125151

Elaprase® (idursulfase)

BL 125151

U.S. License Holder:


Date of License:


Last Update:


approved_indications FDA-Approved Indications

ELAPRASE (idursulfase) is a hydrolytic lysosomal glycosaminoglycan (GAG)-specific enzyme indicated for patients with Hunter syndrome (Mucopolysaccharidosis II, MPS II).

approved_indications Inter Partes Review Proceedings

PTAB Portal

IPR Case No(s):

U.S. Patent No.
9,051,556 (Purification of iduronate-2-sulfatase)

Patent Owner
Shire Human Genetic Therapies, Inc.; Shire Luxembourg Intellectual Property No 3 Sarl, Irish Branch; Shire Orphan and Rare Diseases GmbH; Shire Pharmaceuticals International; Shire PLC

Green Cross Corp.; Green Cross Holdings Corp.

§ 102 Challenge
Y: Claims 9-13

Claim Types Challenged Under § 102
Composition of Matter

§ 102 Challenge Instituted

§ 103 challenge
Y: Claims 1-3, 9-13, 16-17

Claim Types Challenged Under § 103
Composition of Matter

§ 103 Challenge Instituted

Final Written Decision Issued

IPR Status
Final Written Decision (No Instituted Claim Found Unpatentable)


Information contained in the Venable BiologicsHQ database relates to FDA-approved drug products listed in the CDER Purple Book or on the FDA website (www.fda.gov). Information relating to FDA licensed products, FDA-approved indications, and aBLA and 505(b)(2) applications is obtained from public sources including the U.S. FDA website (www.fda.gov). Information relating to litigations is given only for cases active from January 31, 2010 onward. Information relating to foreign biosimilar / biologics follow-on products approved in Australia, Canada, the E.U., Japan and South Korea is from public sources. Statistics graphics are compiled from information contained in the Venable BiologicsHQ database.


The individuals who maintain this site work for Venable LLP. The information, comments and links posted on this site do not constitute legal advice. No attorney-client relationship has been or will be formed by any communication(s) to, from or with the site and/or the author. For legal advice, contact an attorney at Venable LLP or an attorney actively practicing in your jurisdiction. Do not send any confidential or privileged information to the author; neither Venable LLP nor the author will assume any liability or responsibility for it. If you send any information, documents or materials to the site, you give permission for the author to include them on or in the site. No information, documents or materials you send to the site will be considered confidential or privileged by Venable LLP or its lawyers. Also, no such information, documents or materials will be returned to you. All decisions relating to the content belong to the author.

Subscribe for Future Updates