Examiner David Hamaoui

Grant ratio: 61.9% (17th percentile in Art Unit 3747 among examiners with at least 20 applications). Average office actions per grant: 2.20. Most common rejection type: §103.

Appears inactive Last office action in data: March 2023
Grant ratio 61.9%
Average office actions / grant 2.20
Compared with Art unit Very hard
Compared with Work group About average
Compared with Technology center About average
Compared with USPTO About average

Examiner record

Examiner ID
85511
Primary art unit
3747
Work group
3740
Technology center
3700
Applications
449
Granted applications
278

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 54 72.3% 1.66
Group 444 57.6% 1.86
Tech Center 2,671 48.4% 2.01
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.22 995 office actions across 449 applications
Applications with office actions 98.7% 443 applications
Office actionsApplicationsShare of applications
No OA observed 6 1.3%
1 OA 151 33.6%
2 OAs 158 35.2%
3 OAs 63 14.0%
4 OAs 43 9.6%
5+ OAs 28 6.2%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2008: 25.0% 2008 2010: 41.7% 2010 2011: 47.1% 2011 2012: 67.3% 2012 2013: 56.3% 2013 2014: 75.9% 2014 2015: 61.4% 2015 2016: 64.1% 2016 2017: 75.6% 2017 2018: 67.4% 2018 2019: 65.7% 2019 2020: 53.6% 2020 2021: 62.5% 2021 2022: 47.4% 2022 2023: 50.0% 2023

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
20084125.0%
201012541.7%
2011341647.1%
2012493367.3%
2013482756.3%
2014292275.9%
2015442761.4%
2016392564.1%
2017453475.6%
2018432967.4%
2019352365.7%
2020281553.6%
2021161062.5%
202219947.4%
20234250.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 443 0.2% 3.4% 90.3% 4.5%
Action 2 292 0.0% 2.7% 88.0% 7.5%
Action 3 134 0.7% 2.2% 87.3% 6.7%
Action 4 71 0.0% 1.4% 88.7% 5.6%
Action 5 28 0.0% 3.6% 92.9% 3.6%
Action 6 14 0.0% 0.0% 100.0% 0.0%
Action 7 6 0.0% 0.0% 100.0% 0.0%
Action 8 3 0.0% 0.0% 100.0% 0.0%
Action 9 2 0.0% 0.0% 100.0% 0.0%
Action 10 2 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years N/A 0 of 0 office actions
All years 0.2% 2 of 995 office actions
Change N/A Percentage points

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

By year

0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
2014: Alice
0.0%
1.2%
0.0%
0.0%
0.0%
2019: PEG
0.0%
0.0%
0.0%
3.8%
0.0%

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

PTAB appeals

Matched decisions: 14. Merits outcomes: 7 affirmed, 0 affirmed in part, and 7 reversed.

Full reversal rate
50.0% 7/14 decisions
Full or partial reversal rate
50.0% 7/14 decisions
Median appeal duration
26.5 months
New grounds of rejection
1
Recent decisions
DecisionApplicationOutcomeIssues
May. 3, 2019 13/102,568 Affirmed N/A
Jan. 29, 2019 13/735,980 Reversed §103
Mar. 30, 2018 12/158,338 Reversed New ground of rejection §101 · §103 · §112
Feb. 23, 2018 13/927,213 Affirmed §103
Dec. 28, 2017 12/766,030 Reversed §103 · §112
Aug. 24, 2017 12/638,633 Reversed §103
Dec. 30, 2016 13/140,871 Reversed §102 · §103
Dec. 16, 2016 12/621,070 Affirmed §103
Dec. 7, 2016 12/210,409 Affirmed §103
Jul. 25, 2016 11/930,668 Reversed §103
Feb. 8, 2016 12/707,564 Reversed §103
Jul. 28, 2015 12/158,540 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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