Prosecution Insights
Last updated: October 01, 2026

Examiner: ZHU, SHENG-BAI

Tech Center 2800 • Art Units: 2800 2823 2892 2897

This examiner grants 62% of resolved cases

Analysis

Sheng-Bai Zhu works in Tech Center 2800 and Art Unit 2800, having handled 719 resolved cases. The examiner's allowance rate is 62.3 percent. This figure indicates that while a majority of applications are granted, there is a significant portion that do not reach allowance, suggesting a thorough examination process for this docket.

The interview lift is 6.0 percent. This value shows a modest increase in the probability of allowance when an interview is conducted, compared to the 62.3 percent baseline. While not as high as in other dockets, the 6.0 percent lift still suggests that verbal communication can be a useful tool for resolving specific examiner concerns during prosecution.

The median days to allowance is 1027. This metric provides an expectation for the total time required to secure a patent grant from this examiner. With 719 resolved cases as the foundation, the 1027-day median pendency and the previously noted allowance rate define the prosecution environment in Art Unit 2800.

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

Performance Statistics

62.3%
Allow Rate
-5.7% vs TC avg
785
Total Applications
+6.0%
Interview Lift
1027
Avg Prosecution Days
Based on 719 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
22.4%
§102 Novelty
69.7%
§103 Obviousness
6.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18059010 Semiconductor Memory Device Non-Final OA Samsung Electronics Co., Ltd.
17266697 DISPLAY APPARATUS HAVING FRAME WITH REGIONS TO DISCHARGE HEAT GENERATED BY PRINTED CIRCUIT BOARD Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18529851 LIGHT EMITTING ELEMENT Non-Final OA TOYODA GOSEI CO., LTD.
17915755 OLED DISPLAY SUBSTRATE, METHOD FOR MANUFACTURING THE SAME, AND DISPLAY DEVICE Non-Final OA BOE Technology Group Co., Ltd.
18750963 LIGHT EMITTING ELEMENT, INK COMPOSITION AND DISPLAY DEVICE INCLUDING THE LIGHT EMITTING ELEMENT Non-Final OA Samsung Display Co., LTD.
18750878 DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME Non-Final OA Samsung Display Co., Ltd.
18590202 METHOD OF MANUFACTURING DISPLAY APPARATUS Non-Final OA Samsung Display Co., Ltd.
18368710 DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME Final Rejection Samsung Display Co., LTD.
17871169 DISPLAY DEVICE CAPABLE OF PREVENTING DEFECTS ON A SIGNAL LINE AND METHOD OF FABRICATING THE SAME Non-Final OA Samsung Display Co., Ltd.
17423453 DISPLAY DEVICE AND MANUFACTURING METHOD THEREFOR Non-Final OA SAMSUNG DISPLAY CO., LTD.
17947303 ORGANIC LIGHT-EMITTING DISPLAY DEVICE Non-Final OA LG DISPLAY CO., LTD.
18693621 DISPLAY PANEL AND DISPLAY DEVICE Non-Final OA WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
18680740 PACKAGE COMPRISING AN INTEGRATED DEVICE, A SUBSTRATE AND A HEAT SINK Non-Final OA QUALCOMM Incorporated
17940911 DECOUPLING CAPACITOR ARCHITECTURE Non-Final OA QUALCOMM Incorporated
17561670 POWER DELIVERY USING BACKSIDE POWER FOR STITCHED DIES Non-Final OA Intel Corporation
18751033 INLET AND OUTLET LOCATIONS AND STANDARDIZATION Non-Final OA Adeia Semiconductor Bonding Technologies Inc.
18750916 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF Non-Final OA YANGTZE MEMORY TECHNOLOGIES CO., LTD.
18880361 POWER SEMICONDUCTOR DEVICE INCLUDING HEAT DISSIPATING STRUCTURE AND METHOD OF MANUFACTURING POWER SEMICONDUCTOR DEVICE Final Rejection Mitsubishi Electric Corporation
18751130 SEMICONDUCTOR DEVICE WITH EMBEDDED COOLING Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
18598668 FORK SHEET TRANSISTOR WITH VIA-TO-BACKSIDE POWER RAIL STRUCTURE Final Rejection International Business Machines Corporation
17940623 FERROELECTRIC MEMORY DEVICE ERASURE Non-Final OA International Business Machines Corporation
18588565 SEMICONDUCTOR MEMORY DEVICE Final Rejection Kioxia Corporation
18611660 METHODS AND APPARATUSES FOR CONNECTING AN INTEGRATED CIRCUIT AND A HEAT SINK Non-Final OA HL MANDO CORPORATION
18346977 METHOD OF REDUCING VOIDS AND SEAMS IN TRENCH STRUCTURES BY FORMING SEMI-AMORPHOUS POLYSILICON Final Rejection Texas Instruments Incorporated
18149099 DIELECTRIC FILMS OVER ELECTRODE FOR HIGH VOLTAGE PERFORMANCE Final Rejection Texas Instruments Incorporated
17223792 QUALITY FACTOR OF A PARASITIC CAPACITANCE Final Rejection TEXAS INSTRUMENTS INCORPORATED
18751247 HETEROJUNCTION STRUCTURE DEVICE, METHOD FOR MANUFACTURING THE SAME, FIELD EFFECT TRANSISTOR USING THE SAME, ARTIFICIAL VISUAL SYSTEM USING THE SAME, SOLAR CELL USING THE SAME, GAS SENSOR USING THE SAME, AND PIEZOELECTRIC DEVICE USING THE SAME Non-Final OA Research & Business Foundation Sungkyunkwan University
18629346 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE Non-Final OA SK hynix Inc.
17896193 SEMICONDUCTOR DEVICE WITH DUMMY STACK INCLUDING STAIRCASE STRUCTURE AND PROTRUSION Non-Final OA SK hynix Inc.
18619425 MICROELECTRONIC DEVICES AND MEMORY DEVICES INCLUDING VERTICALLY SPACED TRANSISTORS AND STORAGE DEVICES, AND RELATED ELECTRONIC SYSTEMS Final Rejection Micron Technology, Inc.

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