Saturday, July 11, 2026

Patent intelligence · US

US 6180370

Humanized immunoglobulins and methods of making the same

expired A61KA61K2039/505A61K38/00A61P
Status expired
Linked drugs 1
Pipeline programs 6
Years to expiry 0
Applicant portfolio 201
Patent details — US 6180370
Jurisdiction
US
Status
expired
Grant date
Jan 30, 2001
Expiration
Jan 25, 2021
Claims
30
CPC classes
A61K, A61K2039/505, A61K38/00, A61P
View on Google Patents ↗

Quick answer

US 6180370 (Humanized immunoglobulins and methods of making the same) is held by Protein Design Labs, Inc.. Status: expired. Granted Jan 30, 2001. Expires Jan 25, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
30
CPC classes
A61K, A61K2039/505, A61K38/00, A61P, A61P19/02, A61P21/04

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Frequently asked questions

What is US patent 6180370?

US 6180370 (Humanized immunoglobulins and methods of making the same) is held by Protein Design Labs, Inc.. Status: expired. Granted Jan 30, 2001. Expires Jan 25, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6180370?

Protein Design Labs, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 201 pharmaceutical patents for this assignee.

When does US 6180370 expire?

Our index shows an expiration date of Jan 25, 2021 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.