Item 1. Legal Proceedings
ITEM
1.
LEGAL PROCEEDINGS
We
are currently engaged in an arbitration proceeding with REGENXBIO regarding the former license agreement between the parties relating
to use of the AAV9 capsid in our MPS IIIA, MPS IIIB, CLN1, and CLN3 programs. The license terminated on May 2, 2020, and on May
25, 2020, we filed an arbitration claim with the American Arbitration Association alleging that REGENXBIO materially breached
the license agreement prior to termination and seeking, among other things, a declaration that as a result of REGENXBIO’s
material breach, we are not responsible for payments totaling $28 million (which would otherwise have been due in 2020) plus accrued
interest ($2.1 million as of September 30, 2020). REGENXBIO disputes our arbitration claim and has filed a counterclaim seeking
payment of these amounts. It is estimated that an arbitration hearing will take place in March 2021.
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