Prosecution Insights
Last updated: October 26, 2026

Karin A Kiyabu, USPTO Patent Examiner

Listed by the USPTO as KIYABU, KARIN A

Tech Center 2600 • Art Units: 2622 2626 2629 2691 2694 2695

This examiner grants 57% of resolved cases

Analysis

Karin A. Kiyabu is assigned to Tech Center 2600 and Art Unit 2622. Her record includes 389 resolved cases, a 57.1% allowance rate, and a median of 1,156 days to allowance. The interview lift is 39.5%, indicating a positive association between interviews and allowance in this dataset.

The listed companies are LG Display Co., Ltd., BOE Technology Group Co., Ltd., and Samsung Display Co., Ltd. The listed firms are BIRCH STEWART KOLASCH & BIRCH, LLP, DORITY & MANNING, P.A., and Holzer Patel Drennan. The 39.5% interview lift makes interview preparation a meaningful consideration, while the 57.1% allowance rate provides the broader outcome context. The 1,156-day median should inform client discussions about prosecution duration and the timing of strategic amendments.

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

Performance Statistics

57.1%
Allow Rate
-4.9% vs TC avg
422
Total Applications
+39.5%
Interview Lift
1156
Avg Prosecution Days
Based on 389 resolved cases, 2023–2026

Rejection Statute Breakdown

2.8%
§101 Eligibility
15.0%
§102 Novelty
68.9%
§103 Obviousness
11.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18589183 DISPLAY APPARATUS Final Rejection LG Display Co., Ltd.
18220680 DISPLAY APPARATUS Final Rejection LG Display Co., Ltd.
19274688 PIXEL OF A DISPLAY DEVICE AND DISPLAY DEVICE Final Rejection Samsung Display Co., Ltd.
19479418 DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME, DISPLAY DEVICE Non-Final OA BOE TECHNOLOGY GROUP CO., LTD.
18992529 DISPLAY SUBSTRATE AND DISPLAY DEVICE Non-Final OA BOE Technology Group Co., Ltd.
19063675 ELECTRONIC DEVICE Non-Final OA InnoLux Corporation
18664629 MINI-LED DISPLAY DCDC CONVERSION ALLOCATION Non-Final OA Microsoft Technology Licensing, LLC
19144726 SCREEN MIRRORING METHOD, ELECTRONIC DEVICE, AND COMPUTER-READABLE MEDIUM Non-Final OA ZTE CORPORATION

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Frequently Asked Questions

What is examiner Karin A Kiyabu's allowance rate?

57.1% of resolved applications examined by Karin A Kiyabu were allowed (389 resolved cases), compared with 70.9% across Art Unit 2622 over the last five years.

Does an interview help with examiner Karin A Kiyabu?

This examiner's interview lift is +39.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Karin A Kiyabu take to allow a patent?

Applications allowed by Karin A Kiyabu took 1,156 days on average from filing to allowance.

Which art unit does examiner Karin A Kiyabu work in?

Karin A Kiyabu examines applications in Art Unit 2622 in Tech Center 2600 (Communications).

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