Examiner Hsin-Yi Hsieh

Grant ratio: 44.7% (8th percentile in Art Unit 2816 among examiners with at least 20 applications). Average office actions per grant: 3.53. Most common rejection type: §112.

Recently active Last office action in data: August 2026
Grant ratio 44.7%
Average office actions / grant 3.53
Compared with Art unit Very hard
Compared with Work group Very hard
Compared with Technology center Very hard
Compared with USPTO Very hard

Examiner record

Examiner ID
83429
Primary art unit
2816
Work group
2810
Technology center
2800
Applications
700
Granted applications
313
Examiner phone
(571) 270-3043
Supervisor
Brent Fairbanks
Supervisor phone
(408) 918-7532

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 20 73.9% 1.84
Group 305 54.6% 1.79
Tech Center 2,413 62.4% 1.69
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 3.56 2,489 office actions across 700 applications
Applications with office actions 100.0% 700 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 138 19.7%
2 OAs 159 22.7%
3 OAs 104 14.9%
4 OAs 113 16.1%
5+ OAs 186 26.6%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2008: 0.0% 2008 2009: 0.0% 2009 2010: 27.3% 2010 2011: 29.4% 2011 2012: 37.5% 2012 2013: 44.0% 2013 2014: 51.4% 2014 2015: 57.6% 2015 2016: 53.1% 2016 2017: 69.2% 2017 2018: 71.4% 2018 2019: 52.9% 2019 2020: 72.3% 2020 2021: 66.7% 2021 2022: 60.5% 2022 2023: 56.5% 2023 2024: 61.1% 2024 2025: 16.1% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
20082300.0%
20093500.0%
201022627.3%
2011341029.4%
2012321237.5%
2013502244.0%
2014371951.4%
2015331957.6%
2016321753.1%
2017523669.2%
2018352571.4%
2019341852.9%
2020473472.3%
2021483266.7%
2022382360.5%
2023231356.5%
2024362261.1%
202531516.1%
20265800.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 700 0.1% 12.0% 47.6% 38.1%
Action 2 562 0.0% 3.4% 18.3% 76.9%
Action 3 403 0.0% 4.0% 33.7% 60.8%
Action 4 299 0.0% 3.7% 42.5% 53.5%
Action 5 186 0.0% 3.8% 34.9% 61.3%
Action 6 134 0.0% 6.0% 31.3% 61.2%
Action 7 66 0.0% 3.0% 27.3% 69.7%
Action 8 49 0.0% 0.0% 46.9% 53.1%
Action 9 35 0.0% 0.0% 48.6% 51.4%
Action 10 28 0.0% 3.6% 35.7% 60.7%

Section 101 rejections

Last 3 years 0.0% 0 of 335 office actions
All years 0.0% 1 of 2,489 office actions
Change 0.0 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%
0.0%
0.0%
0.0%
0.0%
2014: Alice
0.0%
0.0%
0.0%
0.0%
0.0%
2019: PEG
0.7%
0.0%
0.0%
0.0%
0.0%
2024: AI examples
0.0%
2025: August memo
0.0%
0.0%

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

PTAB appeals

Matched decisions: 16. Merits outcomes: 11 affirmed, 1 affirmed in part, and 4 reversed.

Full reversal rate
25.0% 4/16 decisions
Full or partial reversal rate
31.3% 5/16 decisions
Median appeal duration
24.3 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Feb. 27, 2025 17/217,715 Reversed §103
Jan. 6, 2020 14/442,367 Affirmed §103 · §112
Oct. 24, 2019 14/442,373 Affirmed §103 · §112
Oct. 24, 2019 14/442,355 Affirmed §103 · §112
Jan. 9, 2019 13/676,931 Affirmed §112
Sep. 14, 2017 12/796,365 Reversed §103 · §112
Aug. 30, 2017 11/403,626 Reversed §102
Oct. 28, 2016 11/416,945 Affirmed §103 · §112
Jun. 15, 2015 10/574,030 Affirmed N/A
Mar. 26, 2015 12/057,842 Reversed N/A
Jul. 31, 2014 11/237,215 Affirmed N/A
Jun. 3, 2014 11/388,945 Affirmed §102 · §103

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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