Examiner Alexey Shmatov

Grant ratio: 65.3% (47th percentile in Art Unit 2157 among examiners with at least 20 applications). Average office actions per grant: 3.15. Most common rejection type: §103.

Appears inactive Last office action in data: December 2025
Grant ratio 65.3%
Average office actions / grant 3.15
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
84117
Primary art unit
2157
Work group
2150
Technology center
2100
Applications
383
Granted applications
250

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 17 63.5% 2.71
Group 119 59.3% 2.64
Tech Center 1,781 52.8% 2.19
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 3.10 1,214 office actions across 392 applications
Applications with office actions 100.0% 392 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 88 22.4%
2 OAs 105 26.8%
3 OAs 66 16.8%
4 OAs 55 14.0%
5+ OAs 78 19.9%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2007: 0.0% 2007 2008: 44.8% 2008 2009: 45.7% 2009 2010: 67.5% 2010 2011: 74.2% 2011 2012: 71.4% 2012 2013: 79.6% 2013 2014: 78.9% 2014 2015: 64.7% 2015 2016: 81.0% 2016 2017: 56.5% 2017 2018: 83.3% 2018 2020: 50.0% 2020 2021: 11.1% 2021 2022: 100.0% 2022 2025: 50.0% 2025

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2007100.0%
2008291344.8%
2009462145.7%
2010402767.5%
2011312374.2%
2012493571.4%
2013493979.6%
2014383078.9%
2015342264.7%
2016211781.0%
2017231356.5%
20186583.3%
20204250.0%
20219111.1%
202211100.0%
20252150.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 392 2.3% 31.1% 61.7% 2.8%
Action 2 304 1.3% 28.6% 67.4% 1.3%
Action 3 199 1.5% 18.1% 77.4% 1.0%
Action 4 133 2.3% 9.8% 85.7% 0.8%
Action 5 78 2.6% 6.4% 85.9% 3.8%
Action 6 50 0.0% 6.0% 94.0% 0.0%
Action 7 27 3.7% 0.0% 96.3% 0.0%
Action 8 18 11.1% 0.0% 77.8% 5.6%
Action 9 9 33.3% 0.0% 66.7% 0.0%
Action 10 3 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years 0.0% 0 of 4 office actions
All years 2.2% 27 of 1,214 office actions
Change -2.2 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%
0.7%
0.7%
0.0%
0.7%
1.2%
2.8%
2014: Alice
2.2%
1.4%
1.4%
16.0%
37.5%
0.0%
0.0%
0.0%
2025: August memo
0.0%

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

PTAB appeals

Matched decisions: 20. Merits outcomes: 12 affirmed, 2 affirmed in part, and 6 reversed.

Full reversal rate
30.0% 6/20 decisions
Full or partial reversal rate
40.0% 8/20 decisions
Median appeal duration
31.9 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Mar. 25, 2021 14/946,847 Affirmed §101 · §102 · §103
Mar. 14, 2018 14/793,661 Affirmed §101
Sep. 26, 2017 13/606,670 Affirmed §103
Oct. 24, 2016 12/493,324 Affirmed §103
Sep. 27, 2016 12/432,492 Affirmed §103
Feb. 17, 2016 11/399,035 Affirmed N/A
Dec. 11, 2015 12/476,028 Affirmed N/A
Dec. 10, 2015 11/385,585 Affirmed §103
Sep. 22, 2015 12/635,772 Affirmed N/A
Jan. 26, 2015 10/802,321 Reversed §103
Dec. 16, 2014 10/856,448 Affirmed N/A
Mar. 6, 2014 11/561,440 Reversed 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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