Prosecution Insights
Last updated: October 02, 2026

Examiner: MCKENZIE, THOMAS B

Tech Center 1700 • Art Units: 1731 1776 1797

This examiner grants 57% of resolved cases

Analysis

Thomas B McKenzie operates in Art Unit 1731 and Tech Center 1700. With 991 resolved cases, he has an allowance rate of 57.3 percent. The median days to allowance is 1192. These statistics describe the prosecution history for this examiner and provide a basis for understanding the application lifecycle.

The interview lift is 22.6 percent. This figure indicates that an interview is associated with an increase in the likelihood of allowance. Practitioners can use this lift to supplement the 57.3 percent rate. The 1192 days median pendency provides a timeline for applications that reach a grant. With 991 resolved cases, the data shows a specific pattern of outcomes. The 22.6 percent lift and the Art Unit 1731 designation are data points for strategy. This profile informs the approach for applications in Tech Center 1700.

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

Performance Statistics

57.3%
Allow Rate
-7.7% vs TC avg
1,062
Total Applications
+22.6%
Interview Lift
1192
Avg Prosecution Days
Based on 991 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
19.6%
§102 Novelty
47.1%
§103 Obviousness
26.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18199077 NANOFIBER FILTER AND METHOD FOR MANUFACTURING SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18229739 AIR FILTER MEDIUM, METHOD FOR PRODUCING AIR FILTER MEDIUM, MASK FILTER MEDIUM, AND PLEATED MASK FILTER MEDIUM Non-Final OA DAIKIN INDUSTRIES, LTD.
18253595 FILTER DEVICE, PRODUCTION METHOD THEREFOR, AND AIR CONDITIONER Final Rejection HONDA MOTOR CO., LTD.
18770911 AIR FILTERING PROCESS AND HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM Non-Final OA MAHLE INTERNATIONAL GMBH
17792827 Control Of Cleanup Engine In A Biomass Conversion System Final Rejection Massachusetts Institute of Technology
18342773 REVERSIBLE BIPOLARIZATION IONIZER Non-Final OA Carrier Corporation
17649466 FILTER, RESPIRATOR, AND METHOD FOR MANUFACTURING FILTER Final Rejection HONEYWELL SAFETY PRODUCTS USA, INC.
18738374 MEMBRANE MODULE Final Rejection NGK INSULATORS, LTD.
18027699 AIR FILTER MEDIUM, FILTER PLEAT PACK, AND AIR FILTER UNIT Non-Final OA NITTO DENKO CORPORATION
18425438 MULTI-PLY FILTER SCREEN ASSEMBLY FOR USE WITH AN AIR INTAKE OPENING Final Rejection CAMFIL USA, INC.
17753370 A METHOD FOR PREPARING A COMPOSITE FILTER MEDIUM AND THE COMPOSITE FILTER MEDIUM OBTAINED WITH THIS METHOD Non-Final OA SAATI S.P.A.
17414219 A METHOD FOR PREPARING A COMPOSITE FILTER MEDIUM AND THE COMPOSITE FILTER MEDIUM OBTAINED WITH THIS METHOD Final Rejection SAATI S.p.A.

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