Prosecution Insights
Last updated: October 04, 2026

Examiner: LIU, XUE H

Tech Center 3700 • Art Units: 1612 1742 1791 3736

This examiner grants 73% of resolved cases

Analysis

Xue H Liu has handled 883 resolved cases in Tech Center 3700. Working in Art Unit 1612, the examiner maintains an allowance rate of 73.2 percent. The median days to allowance for these cases is 1193, which is a key metric for prosecution duration. Practitioners can use this 1193-day figure to set expectations for the time required to reach a successful outcome. The 73.2 percent rate establishes the frequency of allowances within this examiner's docket.

The data shows an interview lift of 12.5 percent. This lift suggests that interviews are a strategy to increase the probability of grant compared to the 73.2 percent base allowance rate. Practitioners can weigh the time investment of 1193 days against the probability of a favorable outcome. The 12.5 percent lift indicates that direct communication is a factor in resolving prosecution issues. With 883 resolved cases, these figures provide a statistical basis for strategic planning in Tech Center 3700.

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

Performance Statistics

73.2%
Allow Rate
+3.2% vs TC avg
900
Total Applications
+12.5%
Interview Lift
1193
Avg Prosecution Days
Based on 883 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
18.7%
§102 Novelty
53.2%
§103 Obviousness
23.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19179018 IMPRINT APPARATUS AND ARTICLE MANUFACTURING METHOD Non-Final OA CANON KABUSHIKI KAISHA
19110178 Method and apparatus for shaping plastic preforms into plastic containers, with machine regulation Non-Final OA KRONES AG
18981126 PLANT AND METHOD FOR PRODUCING CONTAINERS Non-Final OA Krones AG
19188737 COMPOSITE SHEET STOCK BARRIER MATERIAL FOR THE FORMING OF PRESSURE VESSEL TUBULAR CORE WITH SIGNIFICANTLY ELEVATED HYDROGEN PERMEATION RESISTANCE Non-Final OA BRAINDRIP, LLC
18033926 PROCESS FOR PRODUCING POLYPROPYLENE COMPOSITION, AND POLYPROPYLENE COMPOSITIONS SO PRODUCED Final Rejection SABIC GLOBAL TECHNOLOGIES B.V.
19060515 METHOD OF MANUFACTURING PROSTHETIC SOCKET INTERFACE Non-Final OA ALLEY, RANDALL D.
19033844 RESIN CONTAINER MANUFACTURING APPARATUS, TEMPERATURE ADJUSTING DEVICE, RESIN CONTAINER MANUFACTURING METHOD, AND TEMPERATURE ADJUSTING METHOD Non-Final OA NISSEI ASB MACHINE CO., LTD.
19027194 ADDITIVE MANUFACTURING BY SPATIALLY CONTROLLED MATERIAL FUSION Non-Final OA VulcanForms Inc.
19018937 MOULD AND METHOD FOR MANUFACTURING A SWIMMING POOL OR SWIMMING POND OR THE LIKE Non-Final OA IMPOOLSE BV
18877335 PROCESS FOR MAKING TILES Final Rejection Lamberti SPA
18557099 SYSTEMS AND METHODS FOR FIBER ZONE-DRAWING AND/OR ZONE-ANNEALING Non-Final OA Rowan University
18435004 PRODUCING A COMBINED MATRIX AND CELLS IN SITU ON A DAMAGED TISSUE AND APPARATUS FOR IMPLEMENTING THE SAME Final Rejection NANOMEDIC TECHNOLOGIES LTD.
18201398 PROCESS FOR PREPARING PREPREG BY CONTINUOUS METHOD Non-Final OA ZHEJIANG AEGIS NEW MATERIALS CO., LTD.

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