Prosecution Insights
Last updated: October 02, 2026

Examiner: KIELIN, ERIK J

Tech Center 2800 • Art Units: 2814 2815 2893

This examiner grants 68% of resolved cases

Analysis

Erik J. Kielin, an examiner in Tech Center 2800 and Art Unit 2814, has resolved 642 cases. The allowance rate is 67.6 percent, and the median days to allowance is 865. These metrics suggest a moderate probability of success and a relatively efficient path to patent issuance, with about two-thirds of cases resulting in a grant.

The interview lift is 5.1 percent, showing a modest benefit from direct communication. While the 67.6 percent baseline allowance rate is solid and the 865-day timeline is efficient, the positive lift indicates that interviews can still be a useful tool for resolving minor issues. Practitioners can expect a professional prosecution process with a reasonable chance of success through standard procedures.

For practitioners, the strategy with Kielin should be to maintain the efficiency shown by the 865 median days to allowance. The 67.6 percent allowance rate is encouraging, and the 5.1 percent interview lift provides an additional option for success. Clear communication and thorough written responses are likely to result in a successful outcome in Art Unit 2814.

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

Performance Statistics

67.6%
Allow Rate
At TC average
671
Total Applications
+5.1%
Interview Lift
865
Avg Prosecution Days
Based on 642 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
24.6%
§102 Novelty
47.2%
§103 Obviousness
25.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18429611 INTEGRATED CIRCUIT DEVICES Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18397231 ORGANIC LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18753757 DISPLAY DEVICE Non-Final OA Samsung Display Co., LTD.
18442336 SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME Non-Final OA Toshiba Electronic Devices & Storage Corporation
18713288 SEMICONDUCTOR DEVICE, METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE Non-Final OA SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
18551643 LIGHT-RECEIVING ELEMENT AND ELECTRONIC APPARATUS Non-Final OA SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18438642 SEMICONDUCTOR BACKSIDE CONTACT SPACER ENGINEERING Non-Final OA International Business Machines Corporation
18465376 CIRCULAR-SHAPED RESISTOR Non-Final OA International Business Machines Corporation
18244175 SEMICONDUCTOR POWER MODULE AND METHOD FOR MANUFACTURING A SEMICONDUCTOR POWER MODULE FOR A SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE Non-Final OA Hitachi Energy Ltd
18740673 COATING PROCESSING APPARATUS AND METHOD FOR FORMING COATING FILM Non-Final OA Kioxia Corporation
18605999 MEMORY DEVICE Final Rejection Kioxia Corporation
18066206 Integrated circuit FLUID sensor Final Rejection Texas Instruments Incorporated
18719575 SILICON CARBIDE SUBSTRATE, METHOD OF MANUFACTURING SILICON CARBIDE SEMICONDUCTOR DEVICE, AND METHOD OF MANUFACTURING SILICON CARBIDE SUBSTRATE Non-Final OA DENSO CORPORATION
18663014 LOW RESISTIVITY FILMS CONTAINING MOLYBDENUM Non-Final OA Lam Research Corporation
18006552 LOW CEILING TEMPERATURE HOMOPOLYMERS AS SACRIFICIAL PROTECTION LAYERS FOR ENVIRONMENTALLY SENSITIVE SUBSTRATES Non-Final OA Lam Research Corporation
18757887 METHOD OF MANUFACTURING SEMICONDUCTOR DEVICES AND CORRESPONDING SEMICONDUCTOR DEVICE Non-Final OA STMicroelectronics International N.V.
18644231 INTERCONNECT STRUCTURE AND METHODS OF FORMING THE SAME Final Rejection TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18588069 INTEGRATED CIRCUIT (IC) STRUCTURES WITH THERMAL VIAS AND HEAT SPREADER LAYERS Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18177144 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
17887122 METHOD FOR MANUFACTURING A SEMICONDUCTOR DEVICE Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18790273 CARBON-BASED LINER TO REDUCE CONTACT RESISTANCE Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18766246 COAXIAL THROUGH VIA WITH NOVEL HIGH ISOLATION CROSS COUPLING METHOD FOR 3D INTEGRATED CIRCUITS Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18459524 SELECTIVE CAPPING FOR GATE-ALL-AROUND FIELD EFFECT TRANSISTORS Final Rejection Applied Materials, Inc.
18107326 LOW STRESS TUNGSTEN LAYER DEPOSITION Final Rejection Applied Materials, Inc.
18105340 SEMICONDUCTOR DEVICE STRUCTURE WITH DIELECTRIC LINER PORTIONS AND METHOD FOR PREPARING THE SAME Final Rejection NANYA TECHNOLOGY CORPORATION
18592521 SEMICONDUCTOR PACKAGE FOR LIQUID IMMERSION COOLING AND METHOD OF FORMING THE SAME Non-Final OA ETRON TECHNOLOGY, INC.
18364651 Wafer Edge Protection Film Forming Method, Patterning Process, And Composition For Forming Wafer Edge Protection Film Non-Final OA SHIN-ETSU CHEMICAL CO., LTD.
18149200 BACK GATE ION-SENSITIVE FIELD EFFECT TRANSISTOR SENSING WITH STACKED HIGH-K NANOSHEETS Final Rejection GlobalFoundries Singapore Pte. Ltd.

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