Detailed information about the 100 most recent patent applications.
| Application Number | Title | Filing Date | Disposal Date | Disposition | Time (months) | Office Actions | Restrictions | Interview | Appeal |
|---|---|---|---|---|---|---|---|---|---|
| 18935093 | Electrode Assembly | November 2024 | December 2024 | Allow | 2 | 0 | 0 | No | No |
| 18675490 | BUS BAR AND CELL STACK | May 2024 | March 2025 | Allow | 10 | 1 | 0 | No | No |
| 18649030 | ANODE, AND ELECTROCHEMICAL DEVICE COMPRISING THE SAME | April 2024 | November 2024 | Allow | 7 | 0 | 0 | No | No |
| 18644930 | BATTERY MODULE AND ENERGY STORAGE DEVICE | April 2024 | July 2024 | Allow | 2 | 0 | 0 | No | No |
| 18627793 | SYSTEM AND METHODS FOR DETERMINING A STACK CURRENT REQUEST BASED ON FUEL CELL OPERATIONAL CONDITIONS | April 2024 | December 2024 | Allow | 9 | 0 | 0 | No | No |
| 18624900 | Modified Lithium Ion Negative Electrode Material, and Preparation Therefor and Use Thereof | April 2024 | May 2024 | Allow | 2 | 0 | 0 | No | No |
| 18609901 | BATTERY PACK AND ELECTRIC APPARATUS | March 2024 | September 2024 | Allow | 6 | 1 | 0 | No | No |
| 18601049 | BATTERY SEPARATORS WITH CROSS RIBS AND RELATED METHODS | March 2024 | September 2024 | Allow | 7 | 0 | 0 | No | No |
| 18291865 | COOLER PASSIVATION PROCESS FOR A COOLANT COOLER OF A COOLER DEVICE MOUNTED IN A MOTOR VEHICLE, COOLER DEVICE, AND USE OF A MOTOR VEHICLE TO PASSIVATE A COOLANT COOLER OF A COOLER DEVICE | January 2024 | October 2024 | Allow | 9 | 1 | 0 | No | No |
| 18418114 | BATTERY CELL LEAK INSPECTION DEVICE AND BATTERY CELL LEAK INSPECTION METHOD | January 2024 | August 2024 | Allow | 7 | 0 | 0 | No | No |
| 18409803 | ELECTRODE PLATE AND MANUFACTURING METHOD THEREFOR, ELECTRODE ASSEMBLY, SECONDARY BATTERY, AND POWER CONSUMING DEVICE | January 2024 | August 2025 | Allow | 19 | 0 | 0 | No | No |
| 18514699 | BATTERY PACK CHARGER | November 2023 | May 2025 | Allow | 18 | 1 | 0 | No | No |
| 18465172 | BATTERY PACK AND POWER CONSUMING DEVICE | September 2023 | December 2023 | Allow | 3 | 0 | 0 | No | No |
| 18448544 | LITHIUM AND MANGANESE RICH POSITIVE ACTIVE MATERIAL COMPOSITIONS | August 2023 | March 2026 | Allow | 31 | 0 | 0 | No | No |
| 18273624 | PRECURSOR SHEET FOR FUEL CELL SEPARATOR, AND FUEL CELL SEPARATOR | July 2023 | December 2023 | Allow | 5 | 0 | 0 | No | No |
| 18342770 | BATTERY | June 2023 | February 2026 | Allow | 32 | 0 | 0 | No | No |
| 18339814 | POWER SUPPLY SYSTEM FOR ELECTRIC VEHICLES | June 2023 | January 2026 | Allow | 31 | 0 | 0 | No | No |
| 18329996 | SYSTEMS AND METHODS FOR HYDROGEN SUPPLY VALVE LEAK DETECTION | June 2023 | July 2023 | Allow | 2 | 0 | 0 | No | No |
| 18326738 | ELECTROLYTES FOR LITHIUM-ION BATTERIES OPERATING AT EXTREME CONDITIONS | May 2023 | May 2024 | Allow | 11 | 1 | 0 | No | No |
| 18199353 | METHOD AND SYSTEM FOR ESTIMATING FLIGHT TIME OF A HYDROGEN FUEL CELL UAV | May 2023 | January 2026 | Allow | 32 | 0 | 0 | No | No |
| 18197537 | COMPOSITE LAYERS OR SEPARATORS FOR LEAD ACID BATTERIES | May 2023 | February 2025 | Allow | 21 | 4 | 0 | No | No |
| 18035992 | POWER STORAGE SYSTEM, VEHICLE, AND ELECTRONIC DEVICE | May 2023 | January 2026 | Allow | 33 | 0 | 0 | No | No |
| 18311483 | SOLID ELECTROLYTE, METHOD OF PREPARING THE SAME, AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME | May 2023 | December 2024 | Allow | 20 | 1 | 0 | No | No |
| 18309913 | VOLTAGE CONTROL STRATEGY FOR BATTERIES INCLUDING LITHIUM- AND MANGANESE-RICH (LMR) CATHODES | May 2023 | January 2026 | Allow | 33 | 1 | 0 | Yes | No |
| 18032822 | METHOD FOR ASCERTAINING THE RELATIVE HUMIDITY AT A CATHODE INLET OF A FUEL CELL STACK OF A FUEL CELL SYSTEM | April 2023 | January 2026 | Allow | 33 | 0 | 0 | No | No |
| 18192260 | ENCLOSED BATTERY PACK CHARGER | March 2023 | April 2025 | Allow | 24 | 1 | 0 | No | No |
| 18029297 | BATTERY PACK INCLUDING TEMPERATURE ADJUSTMENT DEVICE | March 2023 | February 2026 | Allow | 35 | 1 | 0 | No | No |
| 18125297 | FUEL CELL VEHICLE, METHOD OF CONTROLLING STARTUP THEREOF, AND RECORDING MEDIUM STORING PROGRAM TO EXECUTE THE METHOD | March 2023 | January 2026 | Allow | 34 | 0 | 0 | No | No |
| 18186241 | ZINC SECONDARY BATTERY | March 2023 | January 2026 | Allow | 34 | 1 | 0 | No | No |
| 18118382 | HEAT MANAGEMENT SYSTEM FOR A FUEL CELL VEHICLE | March 2023 | December 2025 | Allow | 34 | 0 | 0 | No | No |
| 18179133 | Device Thermal Management | March 2023 | January 2026 | Allow | 34 | 0 | 0 | No | No |
| 18176754 | Electrochemical Cell Having Electrolyte With Polymer Localized on Electrode Surface | March 2023 | September 2025 | Allow | 31 | 1 | 0 | No | No |
| 18113346 | FUEL CELL SYSTEM | February 2023 | January 2026 | Allow | 35 | 1 | 0 | No | No |
| 18171756 | PREDICTIVE FREEZE PREPARATION SCHEDULING FOR FUEL CELL PROPULSION SYSTEM | February 2023 | March 2026 | Allow | 36 | 1 | 0 | No | No |
| 18169856 | ANODE RECOVERY SYSTEM OF FUEL CELL | February 2023 | November 2025 | Allow | 33 | 0 | 0 | No | No |
| 18107621 | REGENERATIVE FUEL CELL SYSTEM | February 2023 | October 2025 | Allow | 33 | 0 | 0 | No | No |
| 18104413 | FUEL CELL SYSTEM | February 2023 | December 2025 | Allow | 35 | 1 | 0 | No | No |
| 18019220 | MICROBIAL ELECTROCHEMICAL CELL (MECC) FOR WASTE DEGRADATION | February 2023 | November 2025 | Allow | 34 | 1 | 0 | No | No |
| 18161117 | ELECTROCHEMICAL OXYGEN REDUCTION CATALYST, AIR ELECTRODE, FUEL CELL, AND METAL-AIR CELL | January 2023 | August 2025 | Allow | 30 | 0 | 0 | No | No |
| 18161728 | EMERGENCY POWER UNITS | January 2023 | January 2026 | Allow | 36 | 1 | 0 | No | No |
| 18101422 | FUEL CELL SYSTEM AND METHOD OF CONTROLLING SAME | January 2023 | September 2025 | Allow | 32 | 0 | 0 | No | No |
| 18017835 | BATTERY MODULE TO WHICH HEAT SHRINKABLE FILM IS APPLIED, AND BATTERY PACK AND VEHICLE INCLUDING SAME | January 2023 | January 2026 | Allow | 36 | 1 | 0 | No | No |
| 18155817 | METHOD FOR PRODUCING A PROTECTIVE LAYER FOR AN ALL-SOLID-STATE BATTERY | January 2023 | May 2023 | Allow | 4 | 0 | 0 | No | No |
| 18155263 | DESULFURIZATION USING A MOLTEN CARBONATE FUEL CELL | January 2023 | March 2026 | Allow | 38 | 1 | 0 | No | No |
| 18152560 | HOT BOX DEVICE AND OPERATING METHOD THEREOF | January 2023 | October 2025 | Allow | 33 | 0 | 0 | No | No |
| 18004434 | METHOD FOR A FROST START OF A FUEL CELL DEVICE, FUEL CELL DEVICE AND MOTOR VEHICLE HAVING A FUEL CELL DEVICE | January 2023 | September 2025 | Allow | 33 | 1 | 0 | No | No |
| 18149658 | BATTERY CELL STRUCTURE OF BUTTON BATTERY AND MUNUFACTUTURN MERHOD THEREOF, AND BUTTON BATTERY | January 2023 | January 2026 | Allow | 36 | 1 | 0 | No | No |
| 18147175 | BATTERY PACK | December 2022 | September 2025 | Allow | 33 | 1 | 0 | No | No |
| 18089199 | CHARGING-CONTROL DEVICE AND ELECTRONIC DEVICE WITH SECONDARY BATTERY | December 2022 | January 2024 | Allow | 12 | 2 | 0 | No | No |
| 18003446 | BATTERY, BATTERY MODULE, AND BATTERY PACK | December 2022 | November 2025 | Allow | 35 | 1 | 0 | No | No |
| 18012429 | A Hydrogen Generation Electricity System for Producing Electricity from Hydrogen Using a Hydrogen Carrier Substance and a Method for Operating the Hydrogen Generation Electricity System | December 2022 | December 2025 | Allow | 36 | 1 | 0 | No | No |
| 18012424 | PROTON FLOW REACTOR SYSTEM | December 2022 | August 2025 | Allow | 32 | 0 | 0 | No | No |
| 18012332 | THERMAL TRANSFER IN THE CATHODE PATH OF A FUEL CELL SYSTEM BY MEANS OF THE EVAPORATION/CONDENSATION OF PRODUCT WATER | December 2022 | August 2025 | Allow | 31 | 0 | 0 | No | No |
| 18002671 | FUEL CELL SYSTEM | December 2022 | July 2025 | Allow | 31 | 0 | 0 | No | No |
| 18001793 | METHOD FOR OPERATING A SOLID OXIDE FUEL CELL DEVICE, THE SOLID OXIDE FUEL CELL DEVICE AND A MOTOR VEHICLE OUTFITTED WITH SUCH | December 2022 | March 2025 | Allow | 27 | 0 | 0 | No | No |
| 18064462 | AIR-COOLED FUEL CELL SYSTEM | December 2022 | September 2025 | Allow | 33 | 0 | 0 | No | No |
| 18078952 | ELECTROLYTE MEMBRANE WITH HIGH PERFORMANCE AND DURABILITY FOR FUEL CELL AND MANUFACTURING METHOD THEREOF | December 2022 | December 2025 | Allow | 37 | 1 | 0 | No | No |
| 18076771 | ELECTROLYTIC COPPER FOIL AND SECONDARY BATTERY COMPRISING THE SAME | December 2022 | June 2025 | Allow | 30 | 0 | 0 | No | No |
| 18076398 | FUEL CELL SYSTEM STRUCTURE | December 2022 | November 2025 | Allow | 35 | 1 | 0 | No | No |
| 17999797 | SENSOR AND METHOD FOR MONITORING GAS QUALITY IN FUEL CELL SYSTEM | November 2022 | October 2025 | Allow | 35 | 1 | 0 | No | No |
| 18058051 | FLUID DISTRIBUTION TANK FOR A TUBE OF A HEAT EXCHANGER | November 2022 | February 2026 | Abandon | 39 | 1 | 0 | No | No |
| 17999702 | SECONDARY BATTERY | November 2022 | November 2025 | Allow | 36 | 1 | 0 | No | No |
| 18057797 | ELECTRODE SHEET MANUFACTURING METHOD | November 2022 | October 2025 | Allow | 34 | 1 | 0 | No | No |
| 17926620 | SYSTEM FOR COOLING A FUEL CELL AND FUEL CELL EQUIPPED WITH SUCH A SYSTEM | November 2022 | September 2025 | Allow | 34 | 1 | 0 | No | No |
| 17999339 | METHOD FOR REGULATING THE PLATINUM OXIDE FRACTION IN A FUEL CELL, AND FUEL CELL SYSTEM FOR A MOTOR VEHICLE | November 2022 | July 2025 | Allow | 32 | 1 | 0 | No | No |
| 17988953 | BATTERY CELLS WITH ASYMMETRIC ELECTRODE TABS AND METHOD FOR MANUFACTURING | November 2022 | October 2025 | Allow | 35 | 1 | 0 | Yes | No |
| 17998770 | FUEL CELL SYSTEM | November 2022 | July 2025 | Allow | 32 | 0 | 0 | No | No |
| 17983698 | SYSTEM AND METHOD FOR INTELLIGENT POWER CONVERTER CONTROL OF FUEL CELLS AND OTHER AUXILIARY POWER SOURCES | November 2022 | June 2025 | Allow | 31 | 0 | 0 | No | No |
| 17923556 | IONIC CONDUCTORS | November 2022 | May 2025 | Allow | 31 | 0 | 0 | No | No |
| 17981128 | SOLVENT-FREE METHODS OF FORMING SOLID-STATE ELECTRODES HAVING POLYMERIC FIBER NETWORKS BY USING FIBRILLATION PROCESSING ADDITIVES AND SOLID-STATE ELECTRODES MADE THEREFROM | November 2022 | September 2025 | Allow | 35 | 1 | 0 | Yes | No |
| 17973232 | PREPARATION METHOD OF AN ANODE MATERIAL FOR LITHIUM-ION BATTERIES | October 2022 | May 2025 | Allow | 30 | 0 | 0 | No | No |
| 17971682 | BATTERY CELL HAVING A PRISMATIC CONDUCTIVE HOUSING | October 2022 | November 2025 | Allow | 36 | 1 | 0 | No | No |
| 17972108 | METHOD FOR CONTROLLING MULTIPLE FUEL CELLS OF FUEL CELL VEHICLE | October 2022 | August 2025 | Allow | 34 | 1 | 0 | No | No |
| 17966984 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME | October 2022 | September 2024 | Allow | 23 | 2 | 0 | No | No |
| 17996347 | METHOD FOR MANUFACTURING AN ASSEMBLY COMPRISING A SEPARATOR AND POROUS ELECTRODE, AN ASSEMBLY COMPRISING A SEPARATOR AND POROUS ELECTRODE, AND ELECTROCHEMICAL DEVICE CONTAINING SUCH AN ASSEMBLY | October 2022 | November 2025 | Allow | 37 | 1 | 0 | No | No |
| 17996230 | COMPOSITIONS CONTAINING THERMALLY CONDUCTIVE FILLERS | October 2022 | October 2025 | Allow | 36 | 1 | 0 | Yes | No |
| 17963907 | ELECTROCHEMICAL CELLS WITH LITHIUM ALLOY ANODES | October 2022 | December 2025 | Allow | 38 | 2 | 0 | No | No |
| 17962742 | TEMPERATURE CONTROLLED ENCLOSURE FOR CONTROLLING BATTERY PACK TEMPERATURE | October 2022 | June 2023 | Allow | 8 | 1 | 0 | No | No |
| 17942474 | SEPARATOR LAYER FOR FLOW BATTERY | September 2022 | May 2025 | Allow | 32 | 4 | 0 | Yes | Yes |
| 17931404 | SECONDARY BATTERY | September 2022 | August 2025 | Allow | 35 | 1 | 0 | No | No |
| 17903037 | FUEL CELL SYSTEM | September 2022 | February 2025 | Allow | 30 | 0 | 0 | No | No |
| 17897494 | APPARATUS FOR CONTROLLING FUEL CELL AND METHOD OF OPERATING SAME | August 2022 | September 2025 | Allow | 36 | 1 | 0 | No | No |
| 17893346 | COLD START CONTROL METHOD AND SYSTEM FOR FUEL CELL VEHICLES | August 2022 | May 2025 | Allow | 32 | 0 | 0 | No | No |
| 17894035 | FUEL CELL SYSTEM AND CONTROL METHOD THEREOF | August 2022 | June 2025 | Allow | 34 | 1 | 0 | No | No |
| 17892742 | SECONDARY BATTERY | August 2022 | September 2025 | Allow | 37 | 1 | 0 | No | No |
| 17893120 | FUEL CELL, ELECTROCHEMICAL DEVICE, AND METHOD OF TIGHTENING AND ADJUSTING FUEL CELL | August 2022 | June 2025 | Allow | 33 | 0 | 0 | No | No |
| 17820323 | FUEL GAS SUPPLY SYSTEM FOR FUEL CELL AND METHOD OF CONTROLLING FUEL GAS SUPPLY SYSTEM | August 2022 | April 2025 | Allow | 32 | 0 | 0 | No | No |
| 17819564 | MULTI-STAGE TURBOCHARGING COMPRESSOR FOR FUEL CELL SYSTEMS | August 2022 | April 2023 | Allow | 8 | 1 | 0 | No | No |
| 17818299 | ON-BOARD OXYGEN BOOSTER FOR PEAK POWER IN FUEL CELL SYSTEMS | August 2022 | April 2023 | Allow | 9 | 1 | 0 | No | No |
| 17817400 | FUEL CELL INFORMATION MONITOR AND DATA TRANSFER | August 2022 | July 2025 | Allow | 35 | 1 | 0 | No | No |
| 17877605 | SOLID ELECTROLYTE, PREPARATION METHOD THEREOF, LITHIUM AIR BATTERY INCLUDING THE SOLID ELECTROLYTE, AND ELECTROCHEMICAL DEVICE INCLUDING THE SOLID ELECTROLYTE | July 2022 | March 2025 | Allow | 32 | 0 | 0 | No | No |
| 17877877 | ELASTIC SUPPORT HAVING NANOTUBE SPRINGS FOR LITHIUM-ION BATTERIES | July 2022 | March 2025 | Allow | 32 | 0 | 0 | No | No |
| 17873710 | METHOD AND DEVICE FOR CONTROLLING DETERIORATION AVOIDANCE OPERATION OF FUEL CELL SYSTEM | July 2022 | May 2025 | Allow | 34 | 0 | 0 | No | No |
| 17871207 | Electrochemical Installation Operating at High Temperature and Associated Process | July 2022 | March 2025 | Allow | 32 | 1 | 0 | No | No |
| 17870118 | BATTERY CELL GROUP TEMPERATURE MEASUREMENT SYSTEM | July 2022 | June 2025 | Allow | 35 | 1 | 0 | No | No |
| 17794247 | FUEL CELL SYSTEM ASSEMBLY | July 2022 | May 2025 | Allow | 34 | 2 | 0 | Yes | No |
| 17862100 | FUEL CELL POWER GENERATION SYSTEM | July 2022 | April 2025 | Allow | 33 | 0 | 0 | No | No |
| 17860645 | Electrode Assembly | July 2022 | March 2024 | Allow | 20 | 1 | 0 | No | No |
| 17849456 | FUEL CELL SYSTEM | June 2022 | September 2025 | Abandon | 39 | 1 | 0 | No | No |
| 17845258 | FUEL CELL STACK | June 2022 | November 2023 | Allow | 16 | 1 | 0 | No | No |
This analysis examines appeal outcomes and the strategic value of filing appeals for examiner ERWIN, JAMES M.
With a 0.0% reversal rate, the PTAB affirms the examiner's rejections in the vast majority of cases. This reversal rate is in the bottom 25% across the USPTO, indicating that appeals face significant challenges here.
Filing a Notice of Appeal can sometimes lead to allowance even before the appeal is fully briefed or decided by the PTAB. This occurs when the examiner or their supervisor reconsiders the rejection during the mandatory appeal conference (MPEP § 1207.01) after the appeal is filed.
In this dataset, 10.0% of applications that filed an appeal were subsequently allowed. This appeal filing benefit rate is in the bottom 25% across the USPTO, indicating that filing appeals is less effective here than in most other areas.
⚠ Appeals to PTAB face challenges. Ensure your case has strong merit before committing to full Board review.
⚠ Filing a Notice of Appeal shows limited benefit. Consider other strategies like interviews or amendments before appealing.
Examiner ERWIN, JAMES M works in Art Unit 1725 and has examined 696 patent applications in our dataset. With an allowance rate of 85.1%, this examiner has an above-average tendency to allow applications. Applications typically reach final disposition in approximately 27 months.
Examiner ERWIN, JAMES M's allowance rate of 85.1% places them in the 61% percentile among all USPTO examiners. This examiner has an above-average tendency to allow applications.
On average, applications examined by ERWIN, JAMES M receive 1.25 office actions before reaching final disposition. This places the examiner in the 16% percentile for office actions issued. This examiner issues significantly fewer office actions than most examiners.
The median time to disposition (half-life) for applications examined by ERWIN, JAMES M is 27 months. This places the examiner in the 71% percentile for prosecution speed. Prosecution timelines are slightly faster than average with this examiner.
Conducting an examiner interview provides a +2.5% benefit to allowance rate for applications examined by ERWIN, JAMES M. This interview benefit is in the 23% percentile among all examiners. Note: Interviews show limited statistical benefit with this examiner compared to others, though they may still be valuable for clarifying issues.
When applicants file an RCE with this examiner, 29.9% of applications are subsequently allowed. This success rate is in the 58% percentile among all examiners. Strategic Insight: RCEs show above-average effectiveness with this examiner. Consider whether your amendments or new arguments are strong enough to warrant an RCE versus filing a continuation.
This examiner enters after-final amendments leading to allowance in 34.3% of cases where such amendments are filed. This entry rate is in the 51% percentile among all examiners. Strategic Recommendation: This examiner shows above-average receptiveness to after-final amendments. If your amendments clearly overcome the rejections and do not raise new issues, consider filing after-final amendments before resorting to an RCE.
When applicants request a pre-appeal conference (PAC) with this examiner, 50.0% result in withdrawal of the rejection or reopening of prosecution. This success rate is in the 42% percentile among all examiners. Note: Pre-appeal conferences show below-average success with this examiner. Consider whether your arguments are strong enough to warrant a PAC request.
This examiner withdraws rejections or reopens prosecution in 70.0% of appeals filed. This is in the 56% percentile among all examiners. Of these withdrawals, 85.7% occur early in the appeal process (after Notice of Appeal but before Appeal Brief). Strategic Insight: This examiner shows above-average willingness to reconsider rejections during appeals. The mandatory appeal conference (MPEP § 1207.01) provides an opportunity for reconsideration.
When applicants file petitions regarding this examiner's actions, 52.5% are granted (fully or in part). This grant rate is in the 52% percentile among all examiners. Strategic Note: Petitions show above-average success regarding this examiner's actions. Petitionable matters include restriction requirements (MPEP § 1002.02(c)(2)) and various procedural issues.
Examiner's Amendments: This examiner makes examiner's amendments in 0.1% of allowed cases (in the 50% percentile). This examiner makes examiner's amendments more often than average to place applications in condition for allowance (MPEP § 1302.04).
Quayle Actions: This examiner issues Ex Parte Quayle actions in 0.0% of allowed cases (in the 5% percentile). This examiner rarely issues Quayle actions compared to other examiners. Allowances typically come directly without a separate action for formal matters.
Based on the statistical analysis of this examiner's prosecution patterns, here are tailored strategic recommendations:
Not Legal Advice: The information provided in this report is for informational purposes only and does not constitute legal advice. You should consult with a qualified patent attorney or agent for advice specific to your situation.
No Guarantees: We do not provide any guarantees as to the accuracy, completeness, or timeliness of the statistics presented above. Patent prosecution statistics are derived from publicly available USPTO data and are subject to data quality limitations, processing errors, and changes in USPTO practices over time.
Limitation of Liability: Under no circumstances will IronCrow AI be liable for any outcome, decision, or action resulting from your reliance on the statistics, analysis, or recommendations presented in this report. Past prosecution patterns do not guarantee future results.
Use at Your Own Risk: While we strive to provide accurate and useful prosecution statistics, you should independently verify any information that is material to your prosecution strategy and use your professional judgment in all patent prosecution matters.