Prosecution Insights
Last updated: October 27, 2026

Sheng-Bai Zhu, USPTO Patent Examiner

Listed by the USPTO as ZHU, SHENG-BAI

Tech Center 2800 • Art Units: 2800 2823 2892 2897

This examiner grants 62% of resolved cases

Analysis

ZHU, SHENG-BAI is assigned to Tech Center 2800 and Art Unit 2800. The record includes 721 resolved cases and an allowance rate of 62.3%. The median time to allowance is 1030 days, giving applicants a substantial reference point for prosecution scheduling and portfolio decisions.

The interview lift is 5.7%, indicating a limited association with allowance outcomes. Practitioners may therefore emphasize claim clarity, prior-art analysis, and a complete written response, using interviews to address specific unresolved questions rather than as the central strategy. The represented companies are Samsung Display Co., Ltd., Texas Instruments Incorporated, and Taiwan Semiconductor Manufacturing Company, Ltd. The listed firms are Womble Bond Dickinson US LLP, JCIPRNET, and CANTOR COLBURN LLP.

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
796
Total Applications
+5.7%
Interview Lift
1030
Avg Prosecution Days
Based on 721 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
22.9%
§102 Novelty
69.0%
§103 Obviousness
7.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18508605 ELECTROLUMINESCENT DEVICE AND DISPLAY DEVICE INCLUDING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18815355 SEMICONDUCTOR MODULE Non-Final OA FUJI ELECTRIC CO., LTD.
18805614 SEMICONDUCTOR DEVICE HAVING A WIRE BONDING PAD STRUCTURE CONNECTED THROUGH VIAS TO LOWER WIRING Non-Final OA FUJI ELECTRIC CO., LTD.
17975207 SEMICONDUCTOR DEVICE Final Rejection FUJI ELECTRIC 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 Final Rejection Samsung Display Co., Ltd.
18590202 METHOD OF MANUFACTURING DISPLAY APPARATUS Final Rejection 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.
17915755 OLED DISPLAY SUBSTRATE, METHOD FOR MANUFACTURING THE SAME, AND DISPLAY DEVICE Non-Final OA BOE Technology Group Co., Ltd.
18680740 PACKAGE COMPRISING AN INTEGRATED DEVICE, A SUBSTRATE AND A HEAT SINK Final Rejection QUALCOMM Incorporated
17561670 POWER DELIVERY USING BACKSIDE POWER FOR STITCHED DIES Non-Final OA Intel Corporation
18880361 POWER SEMICONDUCTOR DEVICE INCLUDING HEAT DISSIPATING STRUCTURE AND METHOD OF MANUFACTURING POWER SEMICONDUCTOR DEVICE Final Rejection Mitsubishi Electric Corporation
18751033 INLET AND OUTLET LOCATIONS AND STANDARDIZATION Non-Final OA Adeia Semiconductor Bonding Technologies Inc.
17898233 MICROELECTRONIC DEVICES WITH LOW AND HIGH GLOBAL DIGIT LINES, RELATED MEMORY DEVICES, ELECTRONIC SYSTEMS, AND METHODS Non-Final OA Micron Technology, Inc.
18588565 SEMICONDUCTOR MEMORY DEVICE Final Rejection Kioxia 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
17514856 MULTI-ROW HEIGHT COMPOSITE CELL WITH MULTIPLE LOGIC FUNCTIONS Non-Final OA Texas Instruments Incorporated
17223792 QUALITY FACTOR OF A PARASITIC CAPACITANCE Final Rejection TEXAS INSTRUMENTS INCORPORATED
17786745 FILM FORMING METHOD AND FILM FORMING SYSTEM Final Rejection Tokyo Electron Limited
18751130 SEMICONDUCTOR DEVICE WITH EMBEDDED COOLING Final Rejection INTERNATIONAL BUSINESS MACHINES CORPORATION
18598668 FORK SHEET TRANSISTOR WITH VIA-TO-BACKSIDE POWER RAIL STRUCTURE Non-Final OA International Business Machines Corporation
17940623 FERROELECTRIC MEMORY DEVICE ERASURE Non-Final OA International Business Machines Corporation
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 Final Rejection SK hynix Inc.
18611660 METHODS AND APPARATUSES FOR CONNECTING AN INTEGRATED CIRCUIT AND A HEAT SINK Non-Final OA HL MANDO CORPORATION
18403162 SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE Final Rejection ROHM CO., LTD.
18750916 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF Non-Final OA YANGTZE MEMORY TECHNOLOGIES CO., LTD.

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Frequently Asked Questions

What is examiner Sheng-Bai Zhu's allowance rate?

62.3% of resolved applications examined by Sheng-Bai Zhu were allowed (721 resolved cases), compared with 69.7% across Art Unit 2800 over the last five years.

Does an interview help with examiner Sheng-Bai Zhu?

This examiner's interview lift is +5.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sheng-Bai Zhu take to allow a patent?

Applications allowed by Sheng-Bai Zhu took 1,030 days on average from filing to allowance.

Which art unit does examiner Sheng-Bai Zhu work in?

Sheng-Bai Zhu examines applications in Art Unit 2800 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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