Examiner Kent Yip

Grant ratio: 66.5% (59th percentile in Art Unit 2676 among examiners with at least 20 applications). Average office actions per grant: 2.03. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 66.5%
Average office actions / grant 2.03
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
84866
Primary art unit
2676
Work group
2670
Technology center
2600
Applications
568
Granted applications
378
Examiner phone
(571) 270-5244
Supervisor
Akwasi M. Sarpong
Supervisor phone
(571) 270-3438

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 20 52.0% 1.76
Group 138 53.2% 1.79
Tech Center 1,754 57.4% 1.88
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.15 1,221 office actions across 568 applications
Applications with office actions 100.0% 568 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 241 42.4%
2 OAs 153 26.9%
3 OAs 85 15.0%
4 OAs 51 9.0%
5+ OAs 38 6.7%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2008: 25.0% 2008 2009: 54.1% 2009 2010: 62.5% 2010 2011: 53.8% 2011 2012: 30.8% 2012 2013: 47.8% 2013 2014: 50.0% 2014 2015: 75.0% 2015 2016: 80.0% 2016 2017: 69.2% 2017 2018: 72.5% 2018 2019: 88.6% 2019 2020: 80.0% 2020 2021: 92.6% 2021 2022: 81.3% 2022 2023: 88.6% 2023 2024: 93.1% 2024 2025: 63.6% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
200812325.0%
2009372054.1%
2010241562.5%
2011261453.8%
201226830.8%
2013231147.8%
2014281450.0%
2015322475.0%
2016302480.0%
2017392769.2%
2018402972.5%
2019353188.6%
2020352880.0%
2021272592.6%
2022322681.3%
2023353188.6%
2024292793.1%
2025332163.6%
20262500.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 568 3.9% 25.5% 65.0% 3.2%
Action 2 327 0.6% 9.5% 87.5% 0.6%
Action 3 174 0.6% 3.4% 90.2% 4.0%
Action 4 89 0.0% 4.5% 92.1% 2.2%
Action 5 38 0.0% 2.6% 92.1% 2.6%
Action 6 14 0.0% 0.0% 100.0% 0.0%
Action 7 7 0.0% 0.0% 100.0% 0.0%
Action 8 3 0.0% 0.0% 100.0% 0.0%
Action 9 1 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years 7.5% 10 of 133 office actions
All years 2.0% 25 of 1,221 office actions
Change +5.5 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%
1.3%
2.0%
0.0%
0.0%
1.5%
0.0%
2014: Alice
0.0%
0.0%
1.3%
1.3%
10.6%
2019: PEG
1.6%
0.0%
0.0%
0.0%
3.9%
2024: AI examples
2.2%
2025: August memo
17.1%
3.6%

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

PTAB appeals

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

Full reversal rate
0.0% 0/2 decisions
Full or partial reversal rate
0.0% 0/2 decisions
Median appeal duration
24.2 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Dec. 31, 2020 15/239,918 Affirmed §103
May. 6, 2014 11/048,279 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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