Prosecution Insights
Last updated: August 06, 2026

Hydrogenics Corporation

7 pending office actions • 5 art units • 7 examiners • 0 of 7 (0%) have an AI response strategy ready • 12 patents granted in the last 365 days

Portfolio Summary

7
Total Pending OAs
5
Non-Final OAs
1
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 3 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
0
Due this month
2
Due in next 60 days
0
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. 3 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (1)Due ≤ 60 days (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.

3
Hard (43%)
3
Medium (43%)
1
Easy (14%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (43%)
§112 only1 (14%)
Multi-statute (no §101)3 (43%)

Industry Mix

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

5
Life Sciences
71% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
2
Business / Other
29% 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.

70 h
Manual time on pending OAs
14 h
Time saved (low, 20%)
24 h
Time saved (mid, 35%)
0.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
OTT, PATRICK S 1 67.8% +22.2%
VAN OUDENAREN, MATTHEW W 1 77.5% +11.9%
HARRIS, MARY GRACE 1 69.0% +32.3%
HANSEN, JARED A 1 54.6% +46.8%
GREENE, PATRICK MARSHALL 1 68.6% +27.8%
KERNS, KEVIN P 1 79.0% +21.0%
MERKLING, MATTHEW J 1 68.2% +13.2%

Hard Cases (3)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
18319078 DYNAMIC CONTROL OF PARALLEL CONNECTED FUEL CELL SYSTEMS HANSEN, JARED A 44d overdue
18342128 UNIT CELL ARCHITECTURE FOR WATER MANAGEMENT IN A FUEL CELL HARRIS, MARY GRACE 50d
18503975 BIPOLAR PLATES WITH FLOW CHANNELS FOR DIRECT DIFFUSION LAYER REACTANT INJECTION VAN OUDENAREN, MATTHEW W

Interview Candidates (7)

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 7 ordered by deadline are shown.

App #TitleExaminerDue in
18319078 DYNAMIC CONTROL OF PARALLEL CONNECTED FUEL CELL SYSTEMS HANSEN, JARED A 44d overdue
17833482 FASTENERLESS FUEL CELL STACK ENCLOSURE MERKLING, MATTHEW J 34d
18342128 UNIT CELL ARCHITECTURE FOR WATER MANAGEMENT IN A FUEL CELL HARRIS, MARY GRACE 50d
18573315 DILUTION CIRCUITRY FOR FUEL CELL VEHICLES WITH COMBINED FUEL CELL EXHAUST SYSTEMS OTT, PATRICK S
18503975 BIPOLAR PLATES WITH FLOW CHANNELS FOR DIRECT DIFFUSION LAYER REACTANT INJECTION VAN OUDENAREN, MATTHEW W
17898188 SYSTEMS AND METHODS TO MEASURE OR CONTROL FUEL CELL STACK EXCESS HYDROGEN FLOW GREENE, PATRICK MARSHALL
17837721 OPERATING SYSTEMS AND METHODS OF USING A PROPORTIONAL CONTROL VALVE IN A FUEL CELL SYSTEM KERNS, KEVIN P

Top Art Units

Art UnitApps
1729 1
1723 1
1724 1
1735 1
1725 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18573315 DILUTION CIRCUITRY FOR FUEL CELL VEHICLES WITH COMBINED FUEL CELL EXHAUST SYSTEMS OTT, PATRICK S §112 Non-Final OA Pending Dec 21, 2023
18503975 BIPOLAR PLATES WITH FLOW CHANNELS FOR DIRECT DIFFUSION LAYER REACTANT INJECTION VAN OUDENAREN, MATTHEW W §103§112 Non-Final OA Pending Nov 07, 2023
18342128 UNIT CELL ARCHITECTURE FOR WATER MANAGEMENT IN A FUEL CELL HARRIS, MARY GRACE 1729 §103§112 Non-Final OA 50d Pending Jun 27, 2023
18319078 DYNAMIC CONTROL OF PARALLEL CONNECTED FUEL CELL SYSTEMS HANSEN, JARED A 1723 §102§103§112 Non-Final OA 44d overdue Pending May 17, 2023
17898188 SYSTEMS AND METHODS TO MEASURE OR CONTROL FUEL CELL STACK EXCESS HYDROGEN FLOW GREENE, PATRICK MARSHALL 1724 §103 Non-Final OA Pending Aug 29, 2022
17837721 OPERATING SYSTEMS AND METHODS OF USING A PROPORTIONAL CONTROL VALVE IN A FUEL CELL SYSTEM KERNS, KEVIN P 1735 §103 Non-Final OA Pending Jun 10, 2022
17833482 FASTENERLESS FUEL CELL STACK ENCLOSURE MERKLING, MATTHEW J 1725 §103 Final Rejection 34d Pending Jun 06, 2022

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