Examiner Examiner Dong Jiang

Grant ratio: 40.7% (40th percentile in Art Unit 1646 among examiners with at least 20 applications). Average office actions per grant: 2.18. Most common rejection type: §103.

Potentially inactive Last office action in data: June 2026
Grant ratio 40.7%
Average office actions / grant 2.18
Compared with Art unit Very hard
Compared with Work group Very hard
Compared with Technology center About average
Compared with USPTO Very hard

Examiner record

Examiner ID
78243
Primary art unit
1646
Work group
1640
Technology center
1600
Applications
656
Granted applications
267

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 23 41.9% 1.89
Group 222 43.5% 1.94
Tech Center 1,373 38.0% 2.02
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.49 1,633 office actions across 657 applications
Applications with office actions 100.0% 657 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 265 40.3%
2 OAs 174 26.5%
3 OAs 71 10.8%
4 OAs 64 9.7%
5+ OAs 83 12.6%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2008: 50.0% 2008 2009: 45.0% 2009 2010: 17.4% 2010 2011: 44.8% 2011 2012: 48.9% 2012 2013: 36.8% 2013 2014: 33.3% 2014 2015: 35.1% 2015 2016: 43.6% 2016 2017: 46.5% 2017 2018: 54.1% 2018 2019: 53.1% 2019 2020: 55.6% 2020 2021: 54.3% 2021 2022: 32.3% 2022 2023: 36.0% 2023 2024: 54.1% 2024 2025: 10.8% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2008261350.0%
200920945.0%
201023417.4%
2011291344.8%
2012472348.9%
2013381436.8%
2014451533.3%
2015371335.1%
2016552443.6%
2017432046.5%
2018372054.1%
2019321753.1%
2020362055.6%
2021351954.3%
2022311032.3%
202325936.0%
2024372054.1%
202537410.8%
20262300.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 657 0.6% 15.2% 42.0% 30.6%
Action 2 392 1.0% 11.0% 46.9% 28.1%
Action 3 218 0.0% 12.4% 50.9% 25.2%
Action 4 147 0.7% 13.6% 52.4% 22.4%
Action 5 83 2.4% 9.6% 61.4% 18.1%
Action 6 50 4.0% 4.0% 72.0% 8.0%
Action 7 33 3.0% 6.1% 66.7% 9.1%
Action 8 18 0.0% 5.6% 61.1% 5.6%
Action 9 12 0.0% 16.7% 66.7% 8.3%
Action 10 9 0.0% 11.1% 55.6% 11.1%

Section 101 rejections

Last 3 years 1.4% 3 of 207 office actions
All years 0.9% 14 of 1,633 office actions
Change +0.6 pts Percentage points

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

By year

2.4%
0.0%
2.0%
0.0%
0.8%
0.0%
2014: Alice
0.0%
0.0%
1.6%
1.8%
1.0%
2019: PEG
1.1%
2.2%
0.0%
0.0%
1.2%
2024: AI examples
0.0%
2025: August memo
2.9%
0.0%

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

PTAB appeals

Matched decisions: 12. Merits outcomes: 8 affirmed, 0 affirmed in part, and 4 reversed.

Full reversal rate
33.3% 4/12 decisions
Full or partial reversal rate
33.3% 4/12 decisions
Median appeal duration
17.2 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Jan. 30, 2024 15/501,392 Reversed §103
Jun. 29, 2023 15/326,296 Affirmed §103 · §112
Jul. 28, 2021 14/388,575 Affirmed §103
Jun. 25, 2019 10/275,341 Affirmed §103
Mar. 25, 2019 13/065,878 Reversed §103
Dec. 6, 2016 10/470,303 Affirmed §103
Sep. 30, 2016 12/791,052 Reversed §103
Sep. 28, 2016 10/204,387 Affirmed §102 · §103
May. 31, 2016 13/158,672 Affirmed §103
Jun. 11, 2013 11/517,192 Affirmed §102 · §103
Aug. 30, 2012 11/177,987 Affirmed §102 · §103
Sep. 21, 2010 11/150,533 Reversed §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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