Prosecution Insights
Last updated: October 25, 2026

United States Department of Energy

Technology areas: Chemistry & Materials • Semiconductors, Circuits & Optics • Transportation, E-Commerce & Mechanical Systems

9 pending office actions • 9 art units • 9 examiners • 0 of 9 (0%) have an AI response strategy ready • 10 patents granted in the last 365 days

Analysis

United States Department of Energy has 8 pending office actions in Semiconductors, Circuits & Optics. The matters involve 8 examiners and 8 art units, so the current docket is distributed across separate examination settings.

RAHMAN, MD M is the busiest examiner, with 1 pending office action. The data shows no examiner concentration beyond one action, making individual file review the appropriate basis for response planning.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

9
Total Pending OAs
3
Non-Final OAs
5
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 5 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

3
Overdue
0
Due this week
2
Due this month
0
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. 5 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (3)Due ≤ 30 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.

7
Hard (78%)
2
Medium (22%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other2 (22%)
§103 only2 (22%)
Multi-statute (no §101)5 (56%)

Industry Mix

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

3
Life Sciences
33% of docket
1
Information Tech
11% of docket
0
Communications
0% of docket
3
Semiconductors
33% of docket
2
Mechanical / Eng
22% 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.

90 h
Manual time on pending OAs
18 h
Time saved (low, 20%)
31 h
Time saved (mid, 35%)
0.8 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
RAHMAN, MD M 1 92.4% +11.9%
BERGIN, JAMES S 1 79.4% +9.9%
DRAGICEVICH, ZACHARY T 1 79.7% +4.7%
MENDEZ, ZULMARIAM 1 66.1% +21.3%
KAKARLA, BHASKAR 1 20.0% +0.0%
RAHLL, JERRY T 1 89.9% +8.3%
PIRO, NICHOLAS ANTHONY 1 47.5% +41.3%
HINSON, RONALD 1 73.9% +14.1%
JARRETT, LORE RAMILLANO 1 68.6% +25.1%

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
19082732 Simultaneous Ultrasonic Vibration and Gas Sensing based on a Tunable Fiber Ring Laser RAHMAN, MD M —

Hard Cases (7)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 7 ordered by deadline are shown.

App #TitleExaminerDue in
18545807 SYSTEMS AND METHODS FOR PEAK-CLIPPING AND LOAD-SHIFTING ENERGY STORAGE DISPATCH CONTROL STRATEGIES FOR EVENT-BASED DEMAND RESPONSE KAKARLA, BHASKAR 16d overdue
17729511 Metal Oxides Enabled Fiber Optic pH Sensor for High temperature High pH Subsurface Environments JARRETT, LORE RAMILLANO 4d overdue
18758144 Piping Connection Seal and Leak Detection DRAGICEVICH, ZACHARY T 1d overdue
18137793 Perovskite Oxygen Carriers and Methods for Making and Using Perovskite Oxygen Carriers PIRO, NICHOLAS ANTHONY 9d
18892790 EXPLOSIVE BREACHING TOOL BERGIN, JAMES S —
18617295 Microwave-assisted Solid Oxide Electrolysis Cell (SOEC), Proton Conducting Solid Oxide Electrolysis Cell (H-SOEC), Reversible Proton Conducting Solid Oxide Electrolysis Cell (rH-SOEC) or Reversible Solid Oxide Electrolysis Cell (rSOEC) for Hydrogen Production MENDEZ, ZULMARIAM —
18510819 SYSTEM AND METHOD OF FABRICATING LOW-LOSS AND LOW-NOISE WAVEGUIDES FOR VISIBLE WAVELENGTH APPLICATIONS RAHLL, JERRY T —

Interview Candidates (5)

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 5 ordered by deadline are shown.

App #TitleExaminerDue in
17729511 Metal Oxides Enabled Fiber Optic pH Sensor for High temperature High pH Subsurface Environments JARRETT, LORE RAMILLANO 4d overdue
18137793 Perovskite Oxygen Carriers and Methods for Making and Using Perovskite Oxygen Carriers PIRO, NICHOLAS ANTHONY 9d
18097183 HIGH FREQUENCY MEDIUM VOLTAGE TRANSFORMER WITH CENTRAL INSULATING DIVIDER HINSON, RONALD 15d
19082732 Simultaneous Ultrasonic Vibration and Gas Sensing based on a Tunable Fiber Ring Laser RAHMAN, MD M —
18617295 Microwave-assisted Solid Oxide Electrolysis Cell (SOEC), Proton Conducting Solid Oxide Electrolysis Cell (H-SOEC), Reversible Proton Conducting Solid Oxide Electrolysis Cell (rH-SOEC) or Reversible Solid Oxide Electrolysis Cell (rSOEC) for Hydrogen Production MENDEZ, ZULMARIAM —

Top Art Units

Art UnitApps
2877 1
3641 1
3679 1
1794 1
2116 1
2874 1
1738 1
2837 1
1797 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19082732 Simultaneous Ultrasonic Vibration and Gas Sensing based on a Tunable Fiber Ring Laser RAHMAN, MD M 2877 §103 Non-Final OA — Pending Mar 18, 2025
18892790 EXPLOSIVE BREACHING TOOL BERGIN, JAMES S 3641 §102§112 Final Rejection — Pending Sep 23, 2024
18758144 Piping Connection Seal and Leak Detection DRAGICEVICH, ZACHARY T 3679 §103§112 Final Rejection 1d overdue Pending Jun 28, 2024
18617295 Microwave-assisted Solid Oxide Electrolysis Cell (SOEC), Proton Conducting Solid Oxide Electrolysis Cell (H-SOEC), Reversible Proton Conducting Solid Oxide Electrolysis Cell (rH-SOEC) or Reversible Solid Oxide Electrolysis Cell (rSOEC) for Hydrogen Production MENDEZ, ZULMARIAM 1794 §103§112 Non-Final OA — Pending Mar 26, 2024
18545807 SYSTEMS AND METHODS FOR PEAK-CLIPPING AND LOAD-SHIFTING ENERGY STORAGE DISPATCH CONTROL STRATEGIES FOR EVENT-BASED DEMAND RESPONSE KAKARLA, BHASKAR 2116 §101§102§103§112 Final Rejection 16d overdue Pending Dec 19, 2023
18510819 SYSTEM AND METHOD OF FABRICATING LOW-LOSS AND LOW-NOISE WAVEGUIDES FOR VISIBLE WAVELENGTH APPLICATIONS RAHLL, JERRY T 2874 §103§112 Non-Final OA — Pending Nov 16, 2023
18137793 Perovskite Oxygen Carriers and Methods for Making and Using Perovskite Oxygen Carriers PIRO, NICHOLAS ANTHONY 1738 §102§103§112 Non-Final OA 9d Pending Apr 21, 2023
18097183 HIGH FREQUENCY MEDIUM VOLTAGE TRANSFORMER WITH CENTRAL INSULATING DIVIDER HINSON, RONALD 2837 §103 Final Rejection 15d Pending Jan 13, 2023
17729511 Metal Oxides Enabled Fiber Optic pH Sensor for High temperature High pH Subsurface Environments JARRETT, LORE RAMILLANO 1797 §101§103§112 Final Rejection 4d overdue Pending Apr 26, 2022

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Frequently Asked Questions

How many pending USPTO office actions does United States Department of Energy have?

United States Department of Energy has 9 pending office actions as of October 2026, spread across 9 art units and 9 examiners.

Which USPTO examiner handles the most United States Department of Energy applications?

Md M Rahman has the most, with 1 of United States Department of Energy's pending office actions.

What technology area are United States Department of Energy's patent applications in?

Mostly Semiconductors, Circuits & Optics (USPTO Tech Center 2800), based on where its pending office actions are examined.

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