{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Ciena", "item": "https://www.patentleaderboard.com/company/ciena"}, {"@type": "ListItem", "position": 3, "name": "Darwin Evans", "item": "https://www.patentleaderboard.com/inventor/fl:da_ln:evans-66"}]}

Home › Ciena › Darwin Evans

DE

Darwin Evans — 2 Patents

CICiena: 2 patents #497 of 1,406Top 40%

Ottawa, CA: #2,643 of 6,399 inventorsTop 45%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

2 Patents All Time

Darwin Evans has been granted 2 US patents while listed as an inventor at Ciena. The first was granted in 2017 and the most recent in July 2025. Darwin Evans ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Darwin Evans in Ottawa, ON, CA.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12348265	Optimization of spectrum sharing in optical line systems	Priyanth Mehta, Michael Hubbard, Robert W. Keys	2025-07-01
9853762	Automated provisioning and control of shared optical spectrum in submarine optical networks	Robert Hadaway, Loren Berg	2017-12-26	$4,424,000

Darwin Evans — 2 Patents

Issued Patents All Time

Patent Widget