Prosecution Insights
Last updated: October 26, 2026

Krishnan S Menon, USPTO Patent Examiner

Listed by the USPTO as MENON, KRISHNAN S

Tech Center 1700 • Art Units: 1619 1621 1634 1771 1772 1777 1797

This examiner grants 60% of resolved cases

Analysis

MENON, KRISHNAN S is assigned to Tech Center 1700 and Art Unit 1619. The examiner has 1517 resolved cases, an allowance rate of 59.7%, and a median time to allowance of 1185 days. The interview lift is 11.3%, providing a measurable but limited basis for using interviews in prosecution planning. Counsel should combine that option with precise written responses and a deliberate approach to claim amendments.

The listed companies are Entegris Inc., Organo Corporation, and Levitronix GmbH. The listed firms are GREENBLUM & BERNSTEIN, P.L.C., Muncy, Geissler, Olds & Lowe, P.C., and Dorsey & Whitney - SLC. The substantial resolved-case record provides historical context, while these recurring names can direct searches for related matters and technology-specific prosecution examples.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

59.7%
Allow Rate
-5.3% vs TC avg
1,596
Total Applications
+11.3%
Interview Lift
1185
Avg Prosecution Days
Based on 1517 resolved cases, 2023–2026

Rejection Statute Breakdown

2.0%
§101 Eligibility
24.0%
§102 Novelty
40.4%
§103 Obviousness
24.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18368711 Fabrication Of Uniform High Density Nanostructure Array Non-Final OA THE REGENTS OF THE UNIVERSITY OF MICHIGAN
18460101 PENTA-AMINE-IMPREGNATED ULTRAFILTRATION SUPPORT MATRIX FOR RAPID FABRICATION OF A HYPER-CROSS-LINKED POLYAMIDE MEMBRANE Non-Final OA KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
18280146 FILTRATION MEMBRANE FROM A BLEND COMPRISING POLYSULFONE AND POLYOXAZOLINE AND METHOD MAKING THEREOF Non-Final OA Solventum Intellectual Properties Company
18110292 METHOD FOR PREPARING ACTIVATED CARBON Final Rejection The Regents of the University of California
17893215 Method for fabricating oleophilic-hydrophobic nanofiber membrane and separation of water-in-oil emulsion using same method and waste heat Non-Final OA POSTECH Research and Business Development Foundation
18281095 PACKING MATERIAL AND METHOD FOR PRODUCING THE SAME, AND COLUMN FOR SIZE EXCLUSION CHROMATOGRAPHY Final Rejection Resonac Corporation
18902644 SCREEN WHEEL FILTER DEVICE FOR THE HIGH-PRESSURE FILTRATION OF A PLASTIC MELT Non-Final OA Gneuss GmbH
18904697 DIAFILTRATION-NANOFILTRATION-REVERSE OSMOSIS FOR BRINE MANAGEMENT Non-Final OA Nanyang Technological University
18828567 DURABLE WATER PERMEABLE FILTRATION MEMBRANES Non-Final OA HYDROXSYS HOLDINGS LIMITED
18682663 MULTILAYER CATALYTIC BED FOR THE PRODUCTION OF PHTHALIC ANHYDRIDE Non-Final OA POLYNT S.P.A.

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Frequently Asked Questions

What is examiner Krishnan S Menon's allowance rate?

59.7% of resolved applications examined by Krishnan S Menon were allowed (1,517 resolved cases), compared with 22.7% across Art Unit 1619 over the last five years.

Does an interview help with examiner Krishnan S Menon?

This examiner's interview lift is +11.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Krishnan S Menon take to allow a patent?

Applications allowed by Krishnan S Menon took 1,185 days on average from filing to allowance.

Which art unit does examiner Krishnan S Menon work in?

Krishnan S Menon examines applications in Art Unit 1619 in Tech Center 1700 (Chemistry & Materials).

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