Prosecution Insights
Last updated: October 02, 2026

Examiner: DANG, PHONG SON H

Tech Center 3700 • Art Units: 3731 3771 3773 3792

This examiner grants 78% of resolved cases

Analysis

Phong Son H. Dang works in Tech Center 3700, specifically within Art Unit 3731. He has managed 694 resolved cases, maintaining an allowance rate of 78.0%. This high rate indicates a favorable environment for applicants seeking patent protection. The interview lift is 24.6%, which shows that conducting an interview is a highly effective strategy for increasing the likelihood of an allowance.

The median days to allowance for this examiner is 1205. This timeline suggests a prosecution cycle of approximately three and a half years. For practitioners, the 694 resolved cases offer a reliable data set for predicting outcomes. The 78.0% allowance rate and the 24.6% interview lift are key metrics for developing a prosecution strategy. In Art Unit 3731, the 1205-day median pendency is an important factor for long-term planning and resource allocation.

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

Performance Statistics

78.0%
Allow Rate
+8.0% vs TC avg
711
Total Applications
+24.6%
Interview Lift
1205
Avg Prosecution Days
Based on 694 resolved cases, 2023–2026

Rejection Statute Breakdown

1.8%
§101 Eligibility
30.9%
§102 Novelty
44.4%
§103 Obviousness
17.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18943576 TISSUE FIXATION SYSTEM AND METHOD Non-Final OA P Tech, LLC
19037840 MEDICAL DEVICE, APPLICATOR, AND CLIP UNIT Non-Final OA OLYMPUS CORPORATION
19269488 MEDICAL DEVICE Non-Final OA ASAHI INTECC CO., LTD.
18632431 ROTATIONAL SYSTEMS COMPRISING A POLYMER DRIVESHAFT Final Rejection Cardiovascular Systems, Inc.
18806284 AORTIC LEAFLET REPAIR USING SHOCK WAVE APPLICATORS Final Rejection Shockwave Medical, Inc.
18757125 TENSIONABLE AND LOCKABLE MICRO SUTURE ANCHORS AND ANCHOR ARRAYS FOR ANATOMICAL ATTACHMENT OF SOFT TISSUE TO BONE Non-Final OA Integrity Orthopaedics, Inc.

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