Prosecution Insights
Last updated: October 26, 2026

Kaj K Olsen, USPTO Patent Examiner

Listed by the USPTO as OLSEN, KAJ K

Tech Center 1700 • Art Units: 1700 1711 1714 1723 1724 1726 1731 1756 1794 1795

This examiner grants 55% of resolved cases

Analysis

OLSEN, KAJ K has resolved 381 cases in Tech Center 1700 and Art Unit 1700. The allowance rate is 55.1%, the interview lift is 31.6%, and the median time to allowance is 1530 days. The allowance rate indicates a mixed resolved record, while the interview lift is a significant positive measure relative to that outcome. The median timeline also supports early attention to prosecution duration.

The principal companies are Bayerische Motoren Werke Aktiengesellschaft, LG Energy Solution Ltd., and Samsung SDI Co., Ltd. The leading firms are CROWELL & MORING LLP, BIRCH STEWART KOLASCH & BIRCH, LLP, and Conley Rose, P.C. Counsel can use these participants to contextualize matters in Art Unit 1700 and prepare for interview-sensitive prosecution.

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

Performance Statistics

55.1%
Allow Rate
-9.9% vs TC avg
402
Total Applications
+31.6%
Interview Lift
1530
Avg Prosecution Days
Based on 381 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
20.4%
§102 Novelty
45.8%
§103 Obviousness
23.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18270971 SUB CELL AND ITS MANUFACTURING METHOD, AND CYLINDRICAL SECONDARY BATTERY, BATTERY PACK AND VEHICLE COMPRISING THE SUB CELL Non-Final OA LG ENERGY SOLUTION, LTD.
18715179 Battery Bank With a Safety Device and Method for Triggering the Safety Device Non-Final OA Bayerische Motoren Werke AKtiengesellschaft
17914266 Method for Compensating for a Temperature-Induced Rise in Pressure in an Anode Section of a Fuel-Cell System Final Rejection Bayerische Motoren Werke Aktiengesellschaft
18100642 ELECTRODE STRUCTURE AND ALL-SOLID-STATE SECONDARY BATTERY INCLUDING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
17970287 SECONDARY BATTERY Final Rejection MURATA MANUFACTURING CO., LTD.
18439903 CATHODE ACTIVE MATERIAL WITH A CORE/SHELL STRUCTURE INCLUDING LMR AND NMX CATHODE ACTIVE MATERIALS Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC

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Frequently Asked Questions

What is examiner Kaj K Olsen's allowance rate?

55.1% of resolved applications examined by Kaj K Olsen were allowed (381 resolved cases), compared with 40.4% across Art Unit 1700 over the last five years.

Does an interview help with examiner Kaj K Olsen?

This examiner's interview lift is +31.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Kaj K Olsen take to allow a patent?

Applications allowed by Kaj K Olsen took 1,530 days on average from filing to allowance.

Which art unit does examiner Kaj K Olsen work in?

Kaj K Olsen examines applications in Art Unit 1700 in Tech Center 1700 (Chemistry & Materials).

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