Examiner Shelley Chen

Grant ratio: 59.8% (45th percentile in Art Unit 3663 among examiners with at least 20 applications). Average office actions per grant: 2.20. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 59.8%
Average office actions / grant 2.20
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
82748
Primary art unit
3663
Work group
3660
Technology center
3600
Applications
547
Granted applications
327
Examiner phone
(571) 270-1330
Supervisor
Thomas Tarcza
Supervisor phone
(571) 272-6979

Save this analysis

Download this examiner report.

Log in / Sign Up to export

Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 51 57.2% 1.91
Group 454 54.1% 1.86
Tech Center 2,381 46.2% 2.12
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.23 1,222 office actions across 547 applications
Applications with office actions 97.1% 531 applications
Office actionsApplicationsShare of applications
No OA observed 16 2.9%
1 OA 208 38.0%
2 OAs 167 30.5%
3 OAs 56 10.2%
4 OAs 54 9.9%
5+ OAs 46 8.4%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2008: 54.5% 2008 2009: 57.6% 2009 2010: 69.2% 2010 2011: 60.0% 2011 2012: 50.0% 2012 2013: 70.6% 2013 2014: 58.3% 2014 2015: 66.7% 2015 2016: 81.1% 2016 2017: 75.7% 2017 2018: 82.6% 2018 2019: 60.0% 2019 2020: 65.2% 2020 2021: 70.4% 2021 2022: 58.3% 2022 2023: 64.0% 2023 2024: 66.7% 2024 2025: 29.6% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2008221254.5%
2009331957.6%
2010392769.2%
2011301860.0%
2012321650.0%
2013342470.6%
2014362158.3%
2015211466.7%
2016373081.1%
2017372875.7%
2018231982.6%
2019251560.0%
2020231565.2%
2021271970.4%
2022241458.3%
2023251664.0%
2024181266.7%
202527829.6%
20263400.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 531 0.8% 8.7% 87.8% 1.7%
Action 2 323 0.0% 8.0% 91.0% 0.9%
Action 3 156 0.0% 6.4% 92.9% 0.6%
Action 4 100 0.0% 5.0% 95.0% 0.0%
Action 5 46 0.0% 8.7% 82.6% 6.5%
Action 6 25 0.0% 12.0% 84.0% 4.0%
Action 7 14 0.0% 0.0% 100.0% 0.0%
Action 8 8 0.0% 0.0% 100.0% 0.0%
Action 9 4 0.0% 0.0% 100.0% 0.0%
Action 10 4 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years 0.6% 1 of 160 office actions
All years 0.3% 4 of 1,222 office actions
Change +0.3 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%
1.4%
1.1%
0.0%
0.0%
0.0%
2014: Alice
0.0%
0.0%
0.0%
0.0%
0.0%
2019: PEG
0.0%
0.0%
1.4%
0.0%
0.0%
2024: AI examples
2.6%
2025: August memo
0.0%
0.0%

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

PTAB appeals

Matched decisions: 25. Merits outcomes: 17 affirmed, 2 affirmed in part, and 6 reversed.

Full reversal rate
24.0% 6/25 decisions
Full or partial reversal rate
32.0% 8/25 decisions
Median appeal duration
22.7 months
New grounds of rejection
1
Recent decisions
DecisionApplicationOutcomeIssues
Jun. 17, 2025 16/684,184 Affirmed §103
May. 19, 2025 16/512,159 Affirmed §100 · §103
Dec. 3, 2021 16/026,496 Affirmed §103
Jan. 3, 2020 14/271,650 Affirmed §103 · §112
Sep. 19, 2018 13/347,768 Reversed N/A
Sep. 5, 2018 14/057,048 Reversed §103
Feb. 13, 2018 14/208,203 Affirmed in part §103
Sep. 28, 2017 14/018,580 Affirmed §103
Sep. 27, 2017 13/163,968 Affirmed §101 · §103
Jul. 25, 2017 13/206,369 Affirmed §103
Jun. 23, 2017 13/207,469 Affirmed §103
May. 25, 2017 13/274,477 Affirmed §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.