Examiner Mohamed Kamara

Grant ratio: 81.8% (62nd percentile in Art Unit 2412 among examiners with at least 20 applications). Average office actions per grant: 1.67. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 81.8%
Average office actions / grant 1.67
Compared with Art unit Very easy
Compared with Work group Very easy
Compared with Technology center Very easy
Compared with USPTO Very easy

Examiner record

Examiner ID
85259
Primary art unit
2412
Work group
2410
Technology center
2400
Applications
1,096
Granted applications
897
Examiner phone
(571) 270-5629
Supervisor
Charles Jiang
Supervisor phone
(571) 270-7191

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 19 76.4% 1.71
Group 166 51.7% 1.94
Tech Center 1,754 58.4% 2.14
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 1.65 1,805 office actions across 1,096 applications
Applications with office actions 99.4% 1,089 applications
Office actionsApplicationsShare of applications
No OA observed 7 0.6%
1 OA 684 62.4%
2 OAs 241 22.0%
3 OAs 84 7.7%
4 OAs 37 3.4%
5+ OAs 43 3.9%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2008: 42.9% 2008 2009: 50.0% 2009 2010: 90.0% 2010 2011: 90.9% 2011 2012: 82.2% 2012 2013: 83.1% 2013 2014: 88.5% 2014 2015: 86.4% 2015 2016: 92.5% 2016 2017: 90.7% 2017 2018: 89.1% 2018 2019: 88.5% 2019 2020: 94.2% 2020 2021: 97.7% 2021 2022: 97.9% 2022 2023: 91.1% 2023 2024: 93.7% 2024 2025: 55.4% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
20087342.9%
2009301550.0%
2010605490.0%
2011555090.9%
2012453782.2%
2013655483.1%
2014524688.5%
2015595186.4%
2016807492.5%
2017756890.7%
2018928289.1%
2019786988.5%
2020696594.2%
2021434297.7%
2022474697.9%
2023454191.1%
2024635993.7%
2025744155.4%
20265700.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 1,089 2.7% 3.5% 70.1% 9.4%
Action 2 405 7.9% 4.0% 71.6% 12.3%
Action 3 164 9.8% 1.2% 80.5% 6.7%
Action 4 80 10.0% 0.0% 78.8% 8.8%
Action 5 43 11.6% 0.0% 83.7% 4.7%
Action 6 19 0.0% 0.0% 89.5% 10.5%
Action 7 5 0.0% 0.0% 80.0% 20.0%

Section 101 rejections

Last 3 years 0.4% 1 of 270 office actions
All years 5.0% 90 of 1,805 office actions
Change -4.6 pts Percentage points

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

By year

2.6%
6.8%
17.9%
6.0%
3.4%
2.6%
2014: Alice
1.9%
9.1%
9.4%
3.0%
4.4%
2019: PEG
2.0%
2.2%
1.8%
3.4%
0.0%
2024: AI examples
0.0%
2025: August memo
1.0%
0.0%

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

PTAB appeals

Matched decisions: 5. Merits outcomes: 3 affirmed, 0 affirmed in part, and 2 reversed.

Full reversal rate
40.0% 2/5 decisions
Full or partial reversal rate
40.0% 2/5 decisions
Median appeal duration
22.2 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Sep. 14, 2021 15/543,731 Affirmed §103
Sep. 22, 2016 13/509,204 Reversed §103
Jul. 26, 2016 13/026,369 Reversed §103
Aug. 12, 2015 13/244,760 Affirmed N/A
May. 11, 2015 12/907,225 Affirmed N/A

The examiner match uses the last recorded office action before the decision. Reversal rates exclude rehearings, remands, dismissals, and other decisions that did not reach the merits. Data through Aug. 27, 2026.

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