Examiner Tifney L. Skyles

Grant ratio: 66.3% (48th percentile in Art Unit 2814 among examiners with at least 20 applications). Average office actions per grant: 2.60. Most common rejection type: §103.

Appears inactive Last office action in data: November 2016
Grant ratio 66.3%
Average office actions / grant 2.60
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
84174
Primary art unit
2814
Work group
2810
Technology center
2800
Applications
282
Granted applications
187

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 36 59.1% 1.77
Group 305 54.6% 1.79
Tech Center 2,413 62.4% 1.69
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.57 724 office actions across 282 applications
Applications with office actions 100.0% 282 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 86 30.5%
2 OAs 89 31.6%
3 OAs 40 14.2%
4 OAs 29 10.3%
5+ OAs 38 13.5%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2008: 54.2% 2008 2009: 53.1% 2009 2010: 45.2% 2010 2011: 55.6% 2011 2012: 75.0% 2012 2013: 81.6% 2013 2014: 75.9% 2014 2015: 84.8% 2015 2016: 72.2% 2016

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2008241354.2%
2009321753.1%
2010311445.2%
2011452555.6%
2012322475.0%
2013383181.6%
2014292275.9%
2015332884.8%
2016181372.2%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 282 0.0% 17.0% 74.8% 0.0%
Action 2 196 0.0% 9.7% 85.7% 1.0%
Action 3 107 0.0% 4.7% 93.5% 0.9%
Action 4 67 0.0% 4.5% 92.5% 0.0%
Action 5 38 0.0% 2.6% 92.1% 2.6%
Action 6 24 0.0% 0.0% 100.0% 0.0%
Action 7 6 0.0% 0.0% 100.0% 0.0%
Action 8 4 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years N/A 0 of 0 office actions
All years 0.0% 0 of 724 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%
0.0%
0.0%
0.0%
2014: Alice
0.0%
0.0%
0.0%

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

PTAB appeals

Matched decisions: 8. Merits outcomes: 3 affirmed, 2 affirmed in part, and 3 reversed.

Full reversal rate
37.5% 3/8 decisions
Full or partial reversal rate
62.5% 5/8 decisions
Median appeal duration
29.7 months
New grounds of rejection
3
Recent decisions
DecisionApplicationOutcomeIssues
Sep. 3, 2015 12/443,509 Affirmed in part N/A
Feb. 26, 2015 12/501,849 Affirmed New ground of rejection N/A
Feb. 6, 2015 11/627,489 Affirmed N/A
Nov. 21, 2014 11/792,619 Affirmed in part New ground of rejection §103 · §112
Mar. 19, 2014 11/379,548 Reversed New ground of rejection §102 · §103 · §112
Jan. 24, 2014 11/198,298 Reversed N/A
Sep. 17, 2013 11/624,568 Affirmed N/A
Jun. 18, 2012 11/314,178 Reversed §102 · §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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