Prosecution Insights
Last updated: October 02, 2026

Examiner: TRAN, DIEM M

Tech Center 3600 • Art Units: 2846 3619 3647 3652 3654

This examiner grants 80% of resolved cases

Analysis

Diem M Tran is an examiner in Tech Center 3600, Art Unit 2846. The examiner has 674 resolved cases. The data shows an allowance rate of 80.0 percent and an interview lift of 13.4 percent. The median days to allowance for these cases is 913.

The 13.4 percent interview lift is a metric that can be compared to the 80.0 percent base allowance rate. This indicates that conducting an interview is a method for increasing the likelihood of an allowance. The 913 day median pendency is the timeframe applicants can expect when navigating the resolved cases handled by this examiner in Art Unit 2846. Practitioners can consider how these metrics influence the overall prosecution timeline.

With 674 resolved cases, the examiner's statistics provide a view of the prosecution landscape. Practitioners can use the 80.0 percent allowance rate to assess the probability of a grant. The 13.4 percent lift and the Tech Center 3600 environment are factors for prosecution strategy. These data points help in setting expectations for clients.

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

Performance Statistics

80.0%
Allow Rate
+28.0% vs TC avg
702
Total Applications
+13.4%
Interview Lift
913
Avg Prosecution Days
Based on 674 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
32.3%
§102 Novelty
39.6%
§103 Obviousness
23.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19404701 MODULAR MACHINE WITH BRAKE COIL INTEGRATED IN MOTOR STAND Non-Final OA Otis Elevator Company
19339898 ELEVATOR SYSTEM WITH A GUIDING STRUCTURE COMPRISING AT LEAST ONE GUIDE RAIL BRACKET Non-Final OA Otis Elevator Company
19339955 ELEVATOR MACHINE SUPPORT STRUCTURE AND ELEVATOR SYSTEM COMPRISING AN ELEVATOR MACHINE SUPPORT STRUCTURE Non-Final OA Otis Elevator Company
19265220 ELEVATOR BRAKE DISC ASSEMBLY Non-Final OA Otis Elevator Company
19196165 ELEVATOR SYSTEM AND COUNTERWEIGHT THEREFOR Final Rejection Otis Elevator Company
19196227 ELEVATOR SHEAVE LINER, ELEVATOR SHEAVE ASSEMBLY, AND ELEVATOR SYSTEM Non-Final OA Otis Elevator Company
18992110 Wear Pad Assembly Non-Final OA Caterpillar, Inc.
19167067 BRAKE SYSTEM Non-Final OA INVENTIO AG
18939392 SAFETY GEAR ARRANGEMENT FOR ELEVATOR, ELEVATOR, AND METHOD OF OPERATION OF SAFETY GEAR ARRANGEMENT FOR ELEVATOR Non-Final OA KONE CORPORATION
18817026 ELEVATOR CONSTRUCTION ARRANGEMENT AND A METHOD Non-Final OA Kone Corporation

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