Examiner Marc Dazenski

Grant ratio: 51.3% (50th percentile in Art Unit 2621 among examiners with at least 20 applications). Average office actions per grant: 1.93. Most common rejection type: §103.

Appears inactive Last office action in data: November 2010
Grant ratio 51.3%
Average office actions / grant 1.93
Compared with Art unit Very easy
Compared with Work group About average
Compared with Technology center Very hard
Compared with USPTO About average

Examiner record

Examiner ID
85154
Primary art unit
2621
Work group
2620
Technology center
2600
Applications
78
Granted applications
40

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 24 44.4% 2.21
Group 279 55.5% 2.00
Tech Center 1,754 57.4% 1.88
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 1.69 132 office actions across 78 applications
Applications with office actions 100.0% 78 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 39 50.0%
2 OAs 30 38.5%
3 OAs 4 5.1%
4 OAs 4 5.1%
5+ OAs 1 1.3%

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: 60.5% 2009 2010: 52.6% 2010

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
200816425.0%
2009432660.5%
2010191052.6%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 78 3.8% 26.9% 64.1% 1.3%
Action 2 39 12.8% 20.5% 61.5% 0.0%
Action 3 9 0.0% 0.0% 88.9% 0.0%
Action 4 5 0.0% 0.0% 100.0% 0.0%
Action 5 1 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years N/A 0 of 0 office actions
All years 6.1% 8 of 132 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

2.5%
8.5%
4.8%

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

PTAB appeals

No PTAB decisions could be matched to this examiner.

Older and transferred applications may not have a reliable examiner match. Data through Aug. 27, 2026.

Job History

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