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Last updated: October 26, 2026

Kris E Mackes, USPTO Patent Examiner

Listed by the USPTO as MACKES, KRIS E

Tech Center 2100 • Art Units: 2153 2154 2164 2168

This examiner grants 76% of resolved cases

Performance Statistics

76.2%

Allow Rate

+21.2% vs TC avg

557

Total Applications

+10.8%

Interview Lift

1070

Avg Prosecution Days

Based on 542 resolved cases, 2023–2026

Rejection Statute Breakdown

16.5%

§101 Eligibility

8.3%

§102 Novelty

57.1%

§103 Obviousness

7.1%

§112 Clarity

Currently Pending Office Actions

App #	Title	Status	Assignee
18394466	STORAGE DEVICE WITH GENERATIVE AI CAPABILITY	Non-Final OA	SONY INTERACTIVE ENTERTAINMENT LLC
18382010	FRAMEWORK TO TEST LEARNING OF NEURONAL CELL CULTURES	Non-Final OA	MICROSOFT TECHNOLOGY LICENSING, LLC

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Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Newport IP, LLC (1)
WESTMAN CHAMPLIN & KOEHLER, P.A. (1)

Frequently Asked Questions

What is examiner Kris E Mackes's allowance rate?

76.2% of resolved applications examined by Kris E Mackes were allowed (542 resolved cases), compared with 72.2% across Art Unit 2153 over the last five years.

Does an interview help with examiner Kris E Mackes?

This examiner's interview lift is +10.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Kris E Mackes take to allow a patent?

Applications allowed by Kris E Mackes took 1,070 days on average from filing to allowance.

Which art unit does examiner Kris E Mackes work in?

Kris E Mackes examines applications in Art Unit 2153 in Tech Center 2100 (Computing & Software).