Examiner Chinwendu C. Okoronkwo

Grant ratio: 29.2% (6th percentile in Art Unit 2436 among examiners with at least 20 applications). Average office actions per grant: 1.14. Most common rejection type: §103.

Appears inactive Last office action in data: December 2023
Grant ratio 29.2%
Average office actions / grant 1.14
Compared with Art unit About average
Compared with Work group About average
Compared with Technology center About average
Compared with USPTO About average

Examiner record

Examiner ID
81486
Primary art unit
2436
Work group
2430
Technology center
2400
Applications
24
Granted applications
7

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 27 61.4% 2.11
Group 233 61.7% 1.99
Tech Center 1,754 58.4% 2.14
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 1.24 31 office actions across 25 applications
Applications with office actions 100.0% 25 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 19 76.0%
2 OAs 6 24.0%
3 OAs 0 0.0%
4 OAs 0 0.0%
5+ OAs 0 0.0%

Each application is counted once. “5+” includes all higher counts.

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2008: 31.8% 2008 2009: 0.0% 2009 2023: 0.0% 2023

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
200822731.8%
2009100.0%
2023100.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 25 12.0% 32.0% 56.0% 0.0%
Action 2 6 0.0% 33.3% 50.0% 16.7%

Section 101 rejections

Last 3 years 0.0% 0 of 2 office actions
All years 9.7% 3 of 31 office actions
Change -9.7 pts Percentage points

Last 3 years: 2023-08-28–2026-08-28. All years includes every dated office action in the data.

By year

10.7%
0.0%
0.0%

Each bar is the percentage of office actions with a §101 rejection.

PTAB appeals

No PTAB decisions could be matched to this examiner.

Older and transferred applications may not have a reliable examiner match. Data through Aug. 27, 2026.

Job History

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