Examiner Rajsheed O Black-Childress

Grant ratio: 54.1% (18th percentile in Art Unit 2684 among examiners with at least 20 applications). Average office actions per grant: 2.29. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 54.1%
Average office actions / grant 2.29
Compared with Art unit Very hard
Compared with Work group Very hard
Compared with Technology center Very hard
Compared with USPTO About average

Examiner record

Examiner ID
87653
Primary art unit
2684
Work group
2680
Technology center
2600
Applications
503
Granted applications
272
Examiner phone
(571) 270-7838
Supervisor
Quan-Zhen Wang
Supervisor phone
(571) 272-3114

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 15 62.2% 1.87
Group 114 64.6% 1.80
Tech Center 1,754 57.4% 1.88
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.21 1,110 office actions across 503 applications
Applications with office actions 99.6% 501 applications
Office actionsApplicationsShare of applications
No OA observed 2 0.4%
1 OA 208 41.4%
2 OAs 146 29.0%
3 OAs 65 12.9%
4 OAs 44 8.7%
5+ OAs 38 7.6%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2011: 83.3% 2011 2012: 37.5% 2012 2013: 51.6% 2013 2014: 50.0% 2014 2015: 50.0% 2015 2016: 43.8% 2016 2017: 52.8% 2017 2018: 61.9% 2018 2019: 85.3% 2019 2020: 64.9% 2020 2021: 68.8% 2021 2022: 62.1% 2022 2023: 78.0% 2023 2024: 74.2% 2024 2025: 40.8% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
20116583.3%
201224937.5%
2013311651.6%
2014281450.0%
2015281450.0%
2016321443.8%
2017361952.8%
2018211361.9%
2019342985.3%
2020372464.9%
2021322268.8%
2022291862.1%
2023413278.0%
2024312374.2%
2025492040.8%
20264400.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 501 0.0% 9.2% 83.0% 2.8%
Action 2 293 0.0% 4.8% 86.7% 6.8%
Action 3 147 0.7% 4.1% 89.1% 4.8%
Action 4 82 0.0% 0.0% 90.2% 8.5%
Action 5 38 2.6% 0.0% 81.6% 7.9%
Action 6 22 0.0% 0.0% 86.4% 9.1%
Action 7 12 0.0% 8.3% 66.7% 25.0%
Action 8 8 0.0% 12.5% 62.5% 25.0%
Action 9 4 0.0% 0.0% 75.0% 25.0%
Action 10 3 0.0% 0.0% 66.7% 33.3%

Section 101 rejections

Last 3 years 0.0% 0 of 225 office actions
All years 0.2% 2 of 1,110 office actions
Change -0.2 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%
0.0%
0.0%
2014: Alice
0.0%
0.0%
0.0%
0.9%
1.7%
2019: PEG
0.0%
0.0%
0.0%
0.0%
0.0%
2024: AI examples
0.0%
2025: August memo
0.0%
0.0%

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

PTAB appeals

Matched decisions: 16. Merits outcomes: 13 affirmed, 0 affirmed in part, and 3 reversed.

Full reversal rate
18.8% 3/16 decisions
Full or partial reversal rate
18.8% 3/16 decisions
Median appeal duration
10.5 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Feb. 24, 2025 17/500,847 Affirmed §103
Feb. 10, 2025 17/710,799 Affirmed §103
Sep. 30, 2024 16/994,176 Affirmed N/A
Aug. 29, 2024 16/295,188 Affirmed §103 · §112
Jan. 17, 2023 16/440,111 Reversed §103
Dec. 2, 2020 14/431,568 Affirmed §103
Jun. 24, 2019 14/979,052 Affirmed §103
Apr. 30, 2019 15/205,751 Affirmed §103
Apr. 4, 2018 13/002,563 Affirmed §103
Feb. 28, 2018 13/125,819 Reversed §101 · §103
May. 30, 2017 13/855,973 Affirmed §102 · §103
May. 19, 2017 14/138,741 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.

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