Examiner Peter Hoang

Grant ratio: 74.7% (83rd percentile in Art Unit 2616 among examiners with at least 20 applications). Average office actions per grant: 2.00. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 74.7%
Average office actions / grant 2.00
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
88139
Primary art unit
2616
Work group
2610
Technology center
2600
Applications
561
Granted applications
419
Examiner phone
(571) 270-1346
Supervisor
Hajnik F. Daniel
Supervisor phone
(571) 272-7642

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 27 47.0% 1.98
Group 291 49.1% 1.92
Tech Center 1,754 57.4% 1.88
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 1.95 1,096 office actions across 561 applications
Applications with office actions 99.6% 559 applications
Office actionsApplicationsShare of applications
No OA observed 2 0.4%
1 OA 278 49.6%
2 OAs 135 24.1%
3 OAs 76 13.5%
4 OAs 46 8.2%
5+ OAs 24 4.3%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2011: 23.1% 2011 2012: 63.6% 2012 2013: 87.8% 2013 2014: 83.7% 2014 2015: 78.0% 2015 2016: 87.1% 2016 2017: 76.7% 2017 2018: 82.6% 2018 2019: 86.5% 2019 2020: 84.4% 2020 2021: 88.5% 2021 2022: 82.6% 2022 2023: 84.2% 2023 2024: 82.9% 2024 2025: 34.3% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
201113323.1%
2012332163.6%
2013413687.8%
2014433683.7%
2015413278.0%
2016312787.1%
2017433376.7%
2018463882.6%
2019373286.5%
2020322784.4%
2021262388.5%
2022463882.6%
2023383284.2%
2024352982.9%
2025351234.3%
20262100.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 559 2.5% 2.7% 82.8% 2.0%
Action 2 281 0.7% 1.1% 95.7% 0.7%
Action 3 146 3.4% 0.7% 95.2% 0.7%
Action 4 70 0.0% 0.0% 95.7% 2.9%
Action 5 24 4.2% 0.0% 87.5% 0.0%
Action 6 12 8.3% 0.0% 83.3% 8.3%
Action 7 3 0.0% 0.0% 100.0% 0.0%
Action 8 1 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years 0.7% 1 of 148 office actions
All years 2.1% 23 of 1,096 office actions
Change -1.4 pts 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%
5.7%
2014: Alice
3.7%
4.5%
4.1%
2.2%
2.4%
2019: PEG
0.0%
0.0%
1.9%
4.2%
0.0%
2024: AI examples
0.0%
2025: August memo
1.9%
0.0%

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

PTAB appeals

Matched decisions: 15. Merits outcomes: 8 affirmed, 3 affirmed in part, and 4 reversed.

Full reversal rate
26.7% 4/15 decisions
Full or partial reversal rate
46.7% 7/15 decisions
Median appeal duration
14.3 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Aug. 17, 2023 16/481,196 Reversed §103
Dec. 30, 2022 16/393,607 Reversed §103
Feb. 16, 2022 16/219,820 Affirmed §101 · §103
Jul. 13, 2021 15/783,822 Affirmed §103
Nov. 16, 2020 15/316,103 Affirmed in part §103
May. 28, 2020 15/156,658 Affirmed §103
Mar. 24, 2020 14/669,744 Affirmed in part §103 · §112
May. 31, 2018 13/325,358 Reversed §103
Dec. 1, 2017 13/589,958 Affirmed §103
Nov. 20, 2017 13/106,387 Reversed §103
Jan. 17, 2017 13/813,721 Affirmed in part §103
Dec. 28, 2015 12/425,896 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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