Examiner Albert Chiou

Grant ratio: 45.6% (7th percentile in Art Unit 2443 among examiners with at least 20 applications). Average office actions per grant: 3.78. Most common rejection type: §103.

Appears inactive Last office action in data: February 2020
Grant ratio 45.6%
Average office actions / grant 3.78
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
91469
Primary art unit
2443
Work group
2440
Technology center
2400
Applications
79
Granted applications
36

Save this analysis

Download this examiner report.

Log in / Sign Up to export

Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 23 55.7% 2.65
Group 208 56.0% 2.42
Tech Center 1,754 58.4% 2.14
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 3.29 309 office actions across 94 applications
Applications with office actions 100.0% 94 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 16 17.0%
2 OAs 21 22.3%
3 OAs 17 18.1%
4 OAs 20 21.3%
5+ OAs 20 21.3%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2013: 100.0% 2013 2014: 0.0% 2014 2015: 15.4% 2015 2016: 50.0% 2016 2017: 18.2% 2017 2018: 62.5% 2018 2019: 57.9% 2019 2020: 75.0% 2020

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
201322100.0%
2014200.0%
201513215.4%
201612650.0%
201711218.2%
2018161062.5%
2019191157.9%
20204375.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 94 0.0% 9.6% 73.4% 1.1%
Action 2 78 2.6% 10.3% 75.6% 0.0%
Action 3 57 1.8% 5.3% 84.2% 0.0%
Action 4 40 0.0% 0.0% 90.0% 0.0%
Action 5 20 0.0% 0.0% 95.0% 5.0%
Action 6 11 9.1% 0.0% 81.8% 9.1%
Action 7 4 0.0% 0.0% 75.0% 25.0%
Action 8 3 0.0% 0.0% 66.7% 0.0%
Action 9 1 0.0% 0.0% 100.0% 0.0%
Action 10 1 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years N/A 0 of 0 office actions
All years 1.3% 4 of 309 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%
2014: Alice
0.0%
3.4%
2.2%
0.0%
0.0%
2019: PEG
2.0%
0.0%

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

PTAB appeals

Matched decisions: 4. Merits outcomes: 2 affirmed, 0 affirmed in part, and 2 reversed.

Full reversal rate
50.0% 2/4 decisions
Full or partial reversal rate
50.0% 2/4 decisions
Median appeal duration
16.8 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Jan. 25, 2018 12/506,137 Affirmed §103 · §112
Mar. 21, 2017 13/817,191 Affirmed §102 · §103
Mar. 18, 2016 13/403,678 Reversed §103
Mar. 8, 2016 13/708,942 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.

Job History

These are temporarily preserved for your convenience, but expire quickly for your security. We never save substantive inputs, pasted text, and/or uploaded files.

Jobs will appear here.