Prosecution Insights
Last updated: May 29, 2026

Donaldson Company Inc.

20 pending office actions • 12 art units • 18 examiners • 0 of 20 (0%) have an AI response strategy ready • 66 patents granted in the last 365 days

Portfolio Summary

20
Total Pending OAs
13
Non-Final OAs
5
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 19 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

8
Overdue
1
Due this week
6
Due this month
2
Due in next 60 days
2
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 19 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (8)Due ≤ 7 days (1)Due ≤ 30 days (6)Due ≤ 60 days (2)Due later (2)

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

2
Hard (10%)
15
Medium (75%)
0
Easy (0%)
3
Unknown (15%)

Rejection Statute Mix

BucketCases
§101 only2 (10%)
§103 only12 (60%)
§102 only3 (15%)
No statute on record3 (15%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

16
Life Sciences
80% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
4
Mechanical / Eng
20% of docket
0
Business / Other
0% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

200 h
Manual time on pending OAs
40 h
Time saved (low, 20%)
70 h
Time saved (mid, 35%)
1.8 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MCKENZIE, THOMAS B 3 57.5% +22.7%
SANCHEZ-MEDINA, REINALDO 1 78.4% +21.2%
MCCLENDON, SANZA L 1 80.6% +10.5%
FLORES JR, DONALD M 1 76.8% +28.3%
GURTOWSKI, RICHARD C 1 71.9% +38.9%
ROBINSON, HOPE A 1 67.9% +43.2%
CLEMENTE, ROBERT ARTHUR 1 80.8% +7.2%
WONG, JOCK M 1 34.9% +45.3%
PREGLER, SHARON 1 78.1% +20.8%
PAIGE, TYLER D 1 91.3% +8.3%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18205134 VENT WITH INVERSION PROTECTION CLEMENTE, ROBERT ARTHUR 2d overdue

Hard Cases (2)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
17789292 VEHICLE FUEL MONITORING SYSTEM AND METHODS PAIGE, TYLER D 3d overdue
17876368 VEHICLE FILTER MONITORING SYSTEMS AND METHODS GASCA ALVA JR, MOISES

Interview Candidates (10)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
18034311 CLIP AND NUT ASSEMBLY WONG, JOCK M 66d overdue
18546061 FUSION PROTEINS COMPRISING A PROTEIN WITH PHASE BEHAVIOR ROBINSON, HOPE A 26d overdue
17981840 SYSTEM COMPRISING A CONNECTOR FOR COUPLING TO A FLUID FILTER ELEMENT, FLUID FILTER ELEMENT, AND PROCESS FOR PRODUCING SAME MCKENZIE, THOMAS B 15d overdue
18582077 BONDED ARTICLES FLORES JR, DONALD M 6d
17767258 FILTER MEDIA LAYERS INCLUDING MIXED DIAMETER FINE FIBERS MCKENZIE, THOMAS B 20d
18016258 SYSTEM AND METHOD FOR DEAERATION MCKENZIE, THOMAS B 28d
18139865 AIR FILTRATION MONITORING SYSTEM PREGLER, SHARON 29d
18816888 FINE FIBERS MADE WITH LOW TEMPERATURE CROSSLINKING MCCLENDON, SANZA L 41d

Top Art Units

Art UnitApps
1776 6
1773 4
3753 1
1765 1
1781 1
1652 1
3675 1
1772 1
3664 1
3667 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18970532 BREATHER ASSEMBLY WITH CONDUCTIVE SHIELD SANCHEZ-MEDINA, REINALDO 3753 §102 Non-Final OA 79d Pending Dec 05, 2024
18816888 FINE FIBERS MADE WITH LOW TEMPERATURE CROSSLINKING MCCLENDON, SANZA L 1765 Other Non-Final OA 41d Pending Aug 27, 2024
18582077 BONDED ARTICLES FLORES JR, DONALD M 1781 §103 Non-Final OA 6d Pending Feb 20, 2024
18284658 BOWL FILTER CARTRIDGE ARRANGEMENT HAVING TRAP AND METHODS GURTOWSKI, RICHARD C 1773 §103 Final Rejection 61d Pending Sep 28, 2023
18546061 FUSION PROTEINS COMPRISING A PROTEIN WITH PHASE BEHAVIOR ROBINSON, HOPE A 1652 §102 Non-Final OA 26d overdue Pending Aug 10, 2023
18205134 VENT WITH INVERSION PROTECTION CLEMENTE, ROBERT ARTHUR 1773 §103 Non-Final OA 2d overdue Pending Jun 02, 2023
18034311 CLIP AND NUT ASSEMBLY WONG, JOCK M 3675 §103 Non-Final OA 66d overdue Pending Apr 27, 2023
18139865 AIR FILTRATION MONITORING SYSTEM PREGLER, SHARON 1772 §103 Non-Final OA 29d Pending Apr 26, 2023
18016258 SYSTEM AND METHOD FOR DEAERATION MCKENZIE, THOMAS B 1776 Other Final Rejection 28d Pending Jan 13, 2023
17789292 VEHICLE FUEL MONITORING SYSTEM AND METHODS PAIGE, TYLER D 3664 §101 Non-Final OA 3d overdue Pending Jan 04, 2023
17981840 SYSTEM COMPRISING A CONNECTOR FOR COUPLING TO A FLUID FILTER ELEMENT, FLUID FILTER ELEMENT, AND PROCESS FOR PRODUCING SAME MCKENZIE, THOMAS B 1776 §103 Non-Final OA 15d overdue Pending Nov 07, 2022
17973657 CHEMICAL FILTER ASSEMBLIES ANBACHT, BRIT ELIZA 1776 §102 Non-Final OA 16d Pending Oct 26, 2022
17914020 ADSORBENT FILTER ASSEMBLY FOR AN ELECTRONICS ENCLOSURE SLAUGOVSKY, RACHEL MARIE 1776 §103 Final Rejection 8d Pending Sep 23, 2022
17876368 VEHICLE FILTER MONITORING SYSTEMS AND METHODS GASCA ALVA JR, MOISES 3667 §101 Final Rejection Pending Jul 28, 2022
17780627 SYSTEMS AND METHODS FOR SEPARATING PARTICLES IN FLUIDS VARMA, AKASH K 1773 §103 Non-Final OA 37d overdue Pending May 27, 2022
17776799 FILTRATION COMPOSITES MCCULLOUGH, ERIC J. 1773 Other Non-Final OA 29d Pending May 13, 2022
17742956 EPOXIDE-ACTIVATED SUBSTRATES AND HYDROPHOBIC INTERACTION CHROMATOGRAPHY MADE THEREFROM FOR POLYNUCLEOTIDE PURIFICATION FEELY, MICHAEL J 1766 §103 Non-Final OA 3d overdue Pending May 12, 2022
17767258 FILTER MEDIA LAYERS INCLUDING MIXED DIAMETER FINE FIBERS MCKENZIE, THOMAS B 1776 §103 Final Rejection 20d Pending Apr 07, 2022
17622010 FILTER ASSEMBLY AND SYSTEM MENON, KRISHNAN S 1777 §103 Non-Final OA 188d overdue Pending Dec 22, 2021
17429223 FILTER SEAL ASSEMBLY AND SYSTEM HOBSON, STEPHEN 1776 §103 Non-Final OA 33d Pending Aug 06, 2021

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