Purple Book reference family · 351(a) biologic
Animal Allergens, Standardized Cat Hair
Animal Allergens, Standardized Cat Hair is an FDA-licensed reference biologic from ALK-Abello, Inc..
351(a) biologicBLA 103810 ALK-Abello, Inc.
Biosimilars
0
Interchangeables
0
Listed patents
0
Reference approved
1971
Reference product
Originator biologic
351(a)BLA 103810
Not listed Animal Allergens, Standardized Cat Hair
ALK-Abello, Inc.
View full reference-product record- Approved
- Marketing
- Rx
- Center
- CBER
- Patents
- None listed
Exclusivity & patent cliffs
Protection horizon
Reference approval
Approval date of the reference Animal Allergens, Standardized Cat Hair product.
55 yr 5 mo ago
Animal Allergens, Standardized Cat Hair: frequently asked questions
Reference exclusivity, biosimilars, interchangeability, and patents for this molecule, from the FDA Purple Book.
Built from official FDA Purple Book records (monthly downloads, the Advanced Search interface, and the published Patent List), with reference-product, license-type, and exclusivity context for Animal Allergens, Standardized Cat Hair.
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- 510(k) Predicate DatabaseSearch FDA 510(k) clearances and map predicate-device lineage.
- FDA 483 DatabaseFDA Form 483 observations and inspection records by firm, date, and citation.

