Prosecution Insights
Last updated: October 01, 2026

Examiner: DANG, KET D

Tech Center 3700 • Art Units: 1792 2893 2898 3742 3761

This examiner grants 62% of resolved cases

Analysis

Ket D. Dang is an examiner in Tech Center 3700, working within Art Unit 1792. He has 689 resolved cases with an allowance rate of 61.5%. This figure indicates a moderate level of difficulty for applicants. However, the interview lift is a significant 37.9%, which is one of the more impactful metrics for this examiner. This high lift suggests that interviews are a very effective way to resolve outstanding issues and secure an allowance.

The median days to allowance is 1489, which is a relatively long timeline for prosecution. This 1489-day period suggests that cases may undergo multiple rounds of review before reaching a final disposition. For practitioners, the 689 resolved cases provide a solid basis for planning. The 61.5% allowance rate and the 37.9% interview lift suggest that while the 1489-day process is slow, direct engagement can greatly improve the odds of success in Art Unit 1792.

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

Performance Statistics

61.5%
Allow Rate
-8.5% vs TC avg
707
Total Applications
+37.9%
Interview Lift
1489
Avg Prosecution Days
Based on 689 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
11.9%
§102 Novelty
51.4%
§103 Obviousness
31.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17780794 INFORMATION PROCESSING DEVICE AND INFORMATION PROCESSING METHOD Non-Final OA SONY GROUP CORPORATION
17996944 SYSTEM FOR CALIBRATION OF ROASTING APPARATUSES Final Rejection SOCIETE DES PRODUITS NESTLE S.A.
17959437 ICE AND SNOW WARNING AND REMOVAL FOR ELECTRIFIED VEHICLES Final Rejection FORD GLOBAL TECHNOLOGIES, LLC
18013161 SUBSTRATE TRANSFER DOOR ASSEMBLIES WITH RADIATING ELEMENTS FOR SUBSTRATE PROCESSING CHAMBERS Non-Final OA LAM RESEARCH CORPORATION
18446191 HEATER DEVICE Non-Final OA DENSO CORPORATION
18405684 POWER SUPPLY UNIT OF AEROSOL GENERATING DEVICE Non-Final OA JAPAN TOBACCO INC.
18038235 OPERATING A HOUSEHOLD MICROWAVE APPLIANCE Final Rejection BSH Hausgeräte GmbH
18035330 FILTER CUP AND GRINDER Final Rejection Breville Pty Limited

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