Prosecution Insights
Last updated: October 02, 2026

Examiner: VO, HAI

Tech Center 3700 • Art Units: 1745 1761 1781 1787 1788 1794 3723

This examiner grants 57% of resolved cases

Analysis

Hai Vo is an examiner in Tech Center 3700, specifically Art Unit 1745. This examiner has managed 1229 resolved cases. The data shows an allowance rate of 57.1 percent. This rate suggests a moderate level of difficulty for applicants seeking patent grants in this specific art unit. Practitioners should prepare for a detailed examination process when assigned to this examiner.

A significant data point is the interview lift of 72.4 percent. This figure indicates that conducting an interview with this examiner is highly likely to increase the probability of an allowance. Practitioners should consider this strategy given the 57.1 percent baseline allowance rate. The substantial lift suggests that verbal communication is a key factor in overcoming rejections and reaching a favorable outcome in Art Unit 1745.

The median days to allowance for cases under Hai Vo is 1158. This timeline provides a benchmark for expected pendency when an application is successful. With 1229 resolved cases, the examiner has a substantial history of decisions within Tech Center 3700. This volume of cases ensures that the performance metrics are based on a broad range of applications and outcomes, offering a reliable guide for future prosecution.

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

Performance Statistics

57.1%
Allow Rate
-12.9% vs TC avg
1,291
Total Applications
+72.4%
Interview Lift
1158
Avg Prosecution Days
Based on 1229 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
20.8%
§102 Novelty
43.8%
§103 Obviousness
23.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18701587 BUFFER STRUCTURE AND PREPARATION METHOD FOR SAME, AND DISPLAY APPARATUS Non-Final OA BOE Technology Group Co., Ltd.
19101378 PHOSPHOR DEVICE Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18626385 FOAMED ACRYLIC POLYMER PRIMERLESS ADHESIVE Non-Final OA Illinois Tool Works Inc.
17590262 THERMALLY EXPANDABLE PREPARATION Non-Final OA Henkel AG & Co. KGaA
18687564 ALTERNATIVE NANOPOROUS NETWORK MATERIALS AND PROCESSES Non-Final OA Massachusetts Institute of Technology
18720307 ADHESIVE SYSTEM INCLUDING A TAPE WITH A FOAM SUPPORT LAYER Final Rejection 3M INNOVATIVE PROPERTIES COMPANY
18687345 FIRM SILICONE RUBBER FOAM THERMAL INSULATION Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18289537 MULTILAYER PRESSURE-SENSITIVE ADHESIVE FOAM TAPE Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18709938 POROUS BODY Final Rejection TORAY INDUSTRIES, INC.
18842192 CORE MATERIAL, SKIN-CORE STRUCTURAL BODY, AEROSPACE EQUIPMENT, FLYING OBJECT, AND METHOD FOR PRODUCING SKIN-CORE STRUCTURAL BODY Final Rejection TORAY INDUSTRIES, INC.
18194316 CROSSLINKED POLYETHYLENE FOAM Final Rejection Toray Plastics (America), Inc.
18697381 LAMINATE, OPTICAL MEMBER, AND OPTICAL APPARATUS Final Rejection NITTO DENKO CORPORATION
18274070 VOID-CONTAINING LAYER, LAMINATE, METHOD FOR PRODUCING VOID-CONTAINING LAYER, OPTICAL MEMBER, AND OPTICAL APPARATUS Final Rejection NITTO DENKO CORPORATION
18635727 INSULATED CONTAINER AND METHOD OF MAKING THE SAME Final Rejection Berry Global, Inc.
18444068 MULTILAYER COMPOSITE WITH THERMAL BARRIER PROPERTIES Non-Final OA SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
18716138 PLASTICIZER COMPOSITION, RESIN COMPOSITION, RESIN MOLDED PRODUCT, AND LAMINATE Non-Final OA ZEON CORPORATION
18713660 VINYL CHLORIDE RESIN COMPOSITION, VINYL CHLORIDE RESIN MOLDED PRODUCT, AND LAMINATE Non-Final OA ZEON CORPORATION
18685230 VINYL CHLORIDE RESIN COMPOSITION, VINYL CHLORIDE RESIN MOLDED PRODUCT, AND LAMINATE Non-Final OA ZEON CORPORATION
18565675 VINYL CHLORIDE RESIN COMPOSITION FOR POWDER MOLDING, VINYL CHLORIDE RESIN MOLDED PRODUCT, AND LAMINATE Final Rejection ZEON CORPORATION
18889477 Fire Resistant Gypsum Panel Non-Final OA Gold Bond Building Products, LLC
18811879 MICROBIAL GROWTH AND DUST RETARDANT ROOFING SHINGLES Non-Final OA CERTAINTEED LLC
18720223 Fluorinated Peek Composite Coating With High Mechanical Performance Non-Final OA SEB S.A.
18608214 BREATHABLE FILMS HAVING INCREASED HYDROSTATIC HEAD PRESSURE Non-Final OA Magnera Film Products Company, Inc.

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