Prosecution Insights
Last updated: October 01, 2026

Examiner: TRAN, HOANG Q

Tech Center 2800 • Art Units: 2872 2874

This examiner grants 68% of resolved cases

Analysis

Hoang Q Tran is an examiner in Tech Center 2800, Art Unit 2872. The examiner has 582 resolved cases. The data shows an allowance rate of 67.7 percent and an interview lift of 32.7 percent. The median days to allowance for these cases is 1131.

The 32.7 percent interview lift is a significant figure when compared to the 67.7 percent base allowance rate. This indicates that conducting an interview is a method for increasing the likelihood of an allowance. The 1131 day median pendency is the timeframe applicants can expect when navigating the resolved cases handled by this examiner in Art Unit 2872. Practitioners can consider how these metrics influence the overall prosecution timeline.

With 582 resolved cases, the examiner's statistics provide a view of the prosecution landscape. Practitioners can use the 67.7 percent allowance rate to assess the probability of a grant. The 32.7 percent lift and the Tech Center 2800 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

67.7%
Allow Rate
At TC average
612
Total Applications
+32.7%
Interview Lift
1131
Avg Prosecution Days
Based on 582 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
29.8%
§102 Novelty
61.8%
§103 Obviousness
3.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18728294 GRATING BYPASS FOR MULTIPLE INCOUPLER WAVEGUIDE Non-Final OA GOOGLE LLC
18089916 OPTICAL SEMICONDUCTOR PACKAGE AND METHOD Final Rejection Intel Corporation
18090258 ELECTRO-OPTICAL CIRCUITS WITH LOW-COST SWITCHABLE PHOTONIC INTERFACE Final Rejection Intel Corporation
18662260 OPTICAL INTEGRATED DEVICE, OPTICAL TRANSMISSION DEVICE, AND OPTICAL TRANSCEIVER Non-Final OA FUJITSU OPTICAL COMPONENTS LIMITED
18293918 PHOTONIC CRYSTAL FIBER Non-Final OA NTT, Inc.
18638236 CABLE STRAIN RELIEF ASSEMBLIES Non-Final OA CORNING RESEARCH & DEVELOPMENT CORPORATION
18379134 WAVEGUIDE SUBSTRATE CONNECTION SYSTEMS AND METHODS Final Rejection CORNING RESEARCH & DEVELOPMENT CORPORATION
18662653 SPRIT POLYMER OPTICAL WAVEGUIDE FOR HIGH DENSITY CO-PACKAGE INTEGRATION Final Rejection International Business Machines Corporation
18701647 RESIN COMPOSITION FOR OPTICAL FIBER COATING, COLORED COATING MATERIAL FOR OPTICAL FIBER, AND OPTICAL FIBER Final Rejection SUMITOMO ELECTRIC INDUSTRIES, LTD.
17925733 OPTICAL APPARATUS, OPTICAL CONNECTOR, AND METHOD FOR MANUFACTURING OPTICAL APPARATUS Final Rejection SUMITOMO ELECTRIC INDUSTRIES, LTD.
18781931 WAVEGUIDE COMBINER WITH IN-PLANE RELAY AND WAVEGUIDE DISPLAY SYSTEM INCLUDING THE SAME Non-Final OA Meta Platforms Technologies, LLC
18507402 FIBER ARRAY UNIT INTEGRATED WITH LIGHT GUIDING ELEMENTS AND METHOD FOR FORMING THE SAME Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18506154 PHOTONIC PACKAGE AND METHOD FOR FORMING THE SAME Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
18752800 WAVELENGTH CONVERSION ELEMENT, PROJECTION DEVICE, AND MANUFACTURING METHOD OF WAVELENGTH CONVERSION ELEMENT Non-Final OA Coretronic Corporation
18736887 FERRULES, ALIGNMENT FRAMES AND CONNECTORS Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18190564 FIBER OPTIC CABLE BENDING DEVICE FOR PASSIVE OPTICAL NETWORKS Non-Final OA Viavi Solutions Inc.
18848308 PLASTIC OPTICAL FIBER AND MEDICAL SENSOR DEVICE Non-Final OA Toray Industries, Inc.
18442106 OPTICAL CIRCUIT, OPTICAL INTEGRATED CIRCUIT, AND METHOD FOR PROVIDING POLARIZATION-INDEPENDENT OUTPUT LIGHT Non-Final OA ADVANTEST CORPORATION
18634146 CASCADED PHOTONIC FILTERS AND RELATED DEVICES Non-Final OA General Dynamics Mission Systems, Inc.

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