{"id":67858,"url":"https://lda.senate.gov/api/v1/clients/67858/?format=json","client_id":67858,"name":"ANNEXON BIOSCIENCES","general_description":"Pharmaceutical manufacturer","client_government_entity":null,"client_self_select":false,"state":"CA","state_display":"California","country":"US","country_display":"United States of America","ppb_state":"CA","ppb_state_display":"California","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2025-05-28","registrant":{"id":401109779,"url":"https://lda.senate.gov/api/v1/registrants/401109779/?format=json","house_registrant_id":77137,"name":"ENGEL BURNS","description":null,"address_1":"5232 Macomb St NW","address_2":null,"address_3":null,"address_4":null,"city":"Washington","state":"DC","state_display":"District of Columbia","zip":"20016","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"ENGEL BURNS","contact_telephone":"+1 443-326-8847","dt_updated":"2026-02-25T15:34:05.494133-05:00"}}