Examiner W. Wendy Kuo

Grant ratio: 77.0% (36th percentile in Art Unit 2826 among examiners with at least 20 applications). Average office actions per grant: 1.83. Most common rejection type: §103.

Appears inactive Last office action in data: November 2014
Grant ratio 77.0%
Average office actions / grant 1.83
Compared with Art unit Very hard
Compared with Work group About average
Compared with Technology center About average
Compared with USPTO Very easy

Examiner record

Examiner ID
83578
Primary art unit
2826
Work group
2820
Technology center
2800
Applications
395
Granted applications
304

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 22 81.0% 1.71
Group 207 71.2% 1.64
Tech Center 2,413 62.4% 1.69
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 1.80 711 office actions across 395 applications
Applications with office actions 100.0% 395 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 193 48.9%
2 OAs 129 32.7%
3 OAs 51 12.9%
4 OAs 12 3.0%
5+ OAs 10 2.5%

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: 72.4% 2009 2010: 79.7% 2010 2011: 80.0% 2011 2012: 85.5% 2012 2013: 83.0% 2013 2014: 100.0% 2014

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2008542750.0%
2009765572.4%
2010594779.7%
2011705680.0%
2012625385.5%
2013473983.0%
20142727100.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 395 0.3% 8.6% 83.5% 5.3%
Action 2 202 0.0% 3.5% 91.1% 5.4%
Action 3 73 0.0% 4.1% 93.2% 2.7%
Action 4 22 0.0% 0.0% 77.3% 18.2%
Action 5 10 0.0% 10.0% 80.0% 10.0%
Action 6 7 0.0% 0.0% 85.7% 14.3%
Action 7 2 0.0% 0.0% 50.0% 50.0%

Section 101 rejections

Last 3 years N/A 0 of 0 office actions
All years 0.1% 1 of 711 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%
1.0%
0.0%
2014: Alice
0.0%

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

PTAB appeals

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

Full reversal rate
0.0% 0/4 decisions
Full or partial reversal rate
50.0% 2/4 decisions
Median appeal duration
30.7 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Nov. 15, 2012 11/337,084 Affirmed N/A
Sep. 25, 2012 11/360,683 Affirmed §103
Aug. 29, 2011 11/374,644 Affirmed in part §102 · §103
Mar. 31, 2010 10/584,994 Affirmed in part §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

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