Prosecution Insights
Last updated: October 26, 2026

Peter B Kim, USPTO Patent Examiner

Listed by the USPTO as KIM, PETER B

Tech Center 2800 • Art Units: 2851 2882 2892

This examiner grants 83% of resolved cases

Analysis

KIM, PETER B handles cases in tech center 2800 and art unit 2851. The profile reports 975 resolved cases and an allowance rate of 83.1%. The median time to allowance is 930 days, while interviews are associated with a 9.4% lift in the allowance rate.

The portfolio names Taiwan Semiconductor Manufacturing Company, Ltd., ASML Holding N.V., and NIKON Corporation. Its leading firms are Pillsbury Winthrop Shaw Pittman, LLP, Studebaker Brackett PLLC, and EDELL, SHAPIRO & FINNAN, LLC. The case volume supports using this profile for prosecution planning in the represented technology area. Counsel can also account for the recorded timing when setting expectations for applicants and business teams.

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

Performance Statistics

83.1%
Allow Rate
+15.1% vs TC avg
1,000
Total Applications
+9.4%
Interview Lift
930
Avg Prosecution Days
Based on 975 resolved cases, 2023–2026

Rejection Statute Breakdown

2.9%
§101 Eligibility
21.8%
§102 Novelty
42.1%
§103 Obviousness
20.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18585271 MEASURING METHOD OF MEASURING SUBSTRATE BY CAPTURING IMAGES OF MARKS THEREON Non-Final OA CANON KABUSHIKI KAISHA
18780663 EXPOSURE METHOD, DEVICE MANUFACTURING METHOD, EXPOSURE DEVICE, AND EXPOSURE SYSTEM Non-Final OA NIKON CORPORATION
18238027 EXPOSURE APPARATUS AND WIRING PATTERN FORMING METHOD Non-Final OA NIKON CORPORATION
19076106 MULTISCALE CONTROL OF SUBSTRATE DEFORMATION IN DEVICE MANUFACTURING Non-Final OA Applied Materials, Inc.
18859114 ADJUSTING EFFECTIVE DEPTH OF FOCUS Non-Final OA Applied Materials, Inc.
19025060 EUV LIGHT SOURCE CONTAMINATION MONITORING SYSTEM Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
19002035 FREQUENCY-PICKED METHODOLOGY FOR DIFFRACTION-BASED OVERLAY MEASUREMENT Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18968343 RETICLE CARRIER AND ASSOCIATED METHODS Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18808284 APPARATUS AND METHOD FOR OPTICAL INSPECTION OF EUV PELLICLES Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18868972 A MEMBRANE AND ASSOCIATED METHOD AND APPARATUS Non-Final OA ASML Netherlands B.V.
18863941 CONTAMINATION DETERMINATION Final Rejection ASML Netherlands B.V.
18719902 METHOD AND APPARATUS FOR LITHOGRAPHIC IMAGING Final Rejection ASML NETHERLANDS B.V.
18570140 STRUCTURES FOR USE ON A SUBSTRATE HOLDER, SUBSTRATE HOLDER, LITHOGRAPHIC APPARATUS AND METHOD Non-Final OA ASML NETHERLANDS B.V.

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Frequently Asked Questions

What is examiner Peter B Kim's allowance rate?

83.1% of resolved applications examined by Peter B Kim were allowed (975 resolved cases), compared with 76.4% across Art Unit 2851 over the last five years.

Does an interview help with examiner Peter B Kim?

This examiner's interview lift is +9.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Peter B Kim take to allow a patent?

Applications allowed by Peter B Kim took 930 days on average from filing to allowance.

Which art unit does examiner Peter B Kim work in?

Peter B Kim examines applications in Art Unit 2851 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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