Wednesday, July 8, 2026

Patent intelligence · US

US 6879754

Drop-before-add optical switching and routing system employing grating-based wavelength selective switches

expired A61KA61K31/40A61K31/44A61K31/63
Status expired
Linked drugs 3
Pipeline programs 6
Years to expiry 0
Applicant portfolio 42
Patent details — US 6879754
Jurisdiction
US
Status
expired
Grant date
Apr 12, 2005
Expiration
Apr 7, 2025
Claims
19
CPC classes
A61K, A61K31/40, A61K31/44, A61K31/63
View on Google Patents ↗

Quick answer

US 6879754 (Drop-before-add optical switching and routing system employing grating-based wavelength selective switches) is held by Integrated Optics Communications Corp.. Status: expired. Granted Apr 12, 2005. Expires Apr 7, 2025 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
19
CPC classes
A61K, A61K31/40, A61K31/44, A61K31/63

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Frequently asked questions

What is US patent 6879754?

US 6879754 (Drop-before-add optical switching and routing system employing grating-based wavelength selective switches) is held by Integrated Optics Communications Corp.. Status: expired. Granted Apr 12, 2005. Expires Apr 7, 2025 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6879754?

Integrated Optics Communications Corp. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 42 pharmaceutical patents for this assignee.

When does US 6879754 expire?

Our index shows an expiration date of Apr 7, 2025 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.