Customer Service

Email:
CustomerService@apvo.com
Telephone:
888-616-0855
Fax:
888-616-0856

Aptevo Therapeutics – Headquarters
2401 4th Avenue, Suite 1050
Seattle, WA 98121
Tel: 206-838-0500
Fax: 206-838-0503

Aptevo Therapeutics – Commercial Operations
920 Cassatt Road, Suite 100
Berwyn, PA 19312
Tel: 484-318-8840
Fax: 484-318-8841

Aptevo Europe Limited
Parkshot House, 5 Kew Road
Richmond, Surrey TW9 2PR
United Kingdom
Tel: +44 (0) 20 8334 8527
General Inquiries: +44 (0) 20 8334 8063
Fax: +44 (0) 20 8334 8100
Email: Europe@apvo.com