Detailed information about the 100 most recent patent applications.
| Application Number | Title | Filing Date | Disposal Date | Disposition | Time (months) | Office Actions | Restrictions | Interview | Appeal |
|---|---|---|---|---|---|---|---|---|---|
| 19396658 | POWER CONVERTER | November 2025 | February 2026 | Allow | 3 | 0 | 0 | No | No |
| 19276264 | MEMBER FOR SEMICONDUCTOR MANUFACTURING APPARATUS | July 2025 | August 2025 | Allow | 1 | 0 | 0 | No | No |
| 19260414 | Dual-Stage AC to AC Electric Power Converters | July 2025 | August 2025 | Allow | 2 | 0 | 0 | No | No |
| 19259830 | CONTROLLERS, AND ASSOCIATED CIRCUITRY, DEVICES, SYSTEMS, MOBILE UNITS, AND METHODS | July 2025 | September 2025 | Allow | 3 | 1 | 0 | No | No |
| 19256080 | SOLID-STATE SWITCH ARRAYS FOR DIGITIZED PLASMA CONTROL AND MAGNETO-INERTIAL FUSION APPLICATIONS | June 2025 | October 2025 | Allow | 4 | 1 | 0 | No | No |
| 19237057 | METHOD FOR CONTROLLING CYCLOCONVERTER CIRCUIT, CYCLOCONVERTER CIRCUIT, AND ISOLATED CONVERTER | June 2025 | October 2025 | Allow | 4 | 0 | 0 | No | No |
| 19224792 | POSITIVE AND NEGATIVE BIPOLAR MODULAR MULTILEVEL ALTERNATING CURRENT-ALTERNATING CURRENT FREQUENCY CONVERTER | May 2025 | July 2025 | Allow | 1 | 0 | 0 | No | No |
| 19223009 | VOLTAGE MODULATION METHOD AND THREE-LEVEL INVERTER | May 2025 | September 2025 | Allow | 4 | 1 | 0 | No | No |
| 19208970 | FREQUENCY MODULATION METHOD AND SYSTEM FOR THERMAL POWER UNIT COUPLED WITH MOLTEN SALT ENERGY STORAGE | May 2025 | July 2025 | Allow | 2 | 0 | 0 | No | No |
| 19202197 | FAULT TOLERANCE METHOD BASED ON SEABED MEDIUM-VOLTAGE DIRECT-CURRENT CONVERTER AND REDUNDANT TOPOLOGICAL STRUCTURE | May 2025 | June 2025 | Allow | 1 | 0 | 0 | No | No |
| 19194199 | Power switch having off indication and method of coordinating | April 2025 | October 2025 | Allow | 5 | 1 | 0 | Yes | No |
| 19189360 | METHOD AND SYSTEM FOR COOPERATIVELY SUPPRESSING COMMON-MODE VOLTAGE AND CURRENT HARMONICS OF COUPLED THREE-LEVEL INVERTER | April 2025 | August 2025 | Allow | 3 | 1 | 0 | No | No |
| 19172876 | Regulated Multi-Stage Power Converter Architecture | April 2025 | October 2025 | Allow | 6 | 1 | 0 | No | No |
| 19171293 | OVERSHOOT PROTECTION CIRCUIT, METHOD, AND CHIP | April 2025 | May 2025 | Allow | 1 | 0 | 0 | No | No |
| 19096905 | POWER SUPPLY WITH VACUUM DIODE | April 2025 | July 2025 | Allow | 4 | 0 | 0 | Yes | No |
| 19116301 | FORCED CURRENT SHARING CIRCUIT, CHIP, MOTHERBOARD AND ELECTRONIC DEVICE | March 2025 | August 2025 | Allow | 5 | 1 | 0 | No | No |
| 19115737 | POWER-FAILURE HOLD CIRCUIT, POWER SUPPLY PROTECTION METHOD AND APPARATUS, AND POWER SUPPLY CONTROL CIRCUIT | March 2025 | May 2025 | Allow | 2 | 0 | 0 | No | No |
| 19088122 | POWER SUPPLY QUALITY IMPROVEMENT-ORIENTED AND FAULT CONTROL-ORIENTED ECONOMICALLY-INTEGRATED MEDIUM-VOLTAGE GRID-CONNECTED DEVICE WITH SiC MODULE AND ADAPTIVE CONTROL METHOD THEREFOR | March 2025 | July 2025 | Allow | 4 | 0 | 0 | No | No |
| 19087481 | METHOD AND DEVICE FOR DRIVING MOVEMENT OF TARGET OBJECT BY GRAVITATIONAL FIELD GENERATED BY VARYING ELECTROMAGNETIC FIELD | March 2025 | August 2025 | Allow | 4 | 1 | 0 | No | No |
| 19075763 | JUMPER CONTROL CIRCUIT AND JUMPER DEVICE | March 2025 | August 2025 | Allow | 6 | 1 | 0 | No | No |
| 19110150 | METHOD FOR ACTUATING AN ELECTROMECHANICAL SWITCHING ELEMENT | March 2025 | June 2025 | Allow | 3 | 0 | 0 | No | No |
| 19069290 | PASSIVITY-BASED DUAL-MODE INTEGRATED CONTROL METHOD FOR GRID-CONNECTED INVERTER | March 2025 | May 2025 | Allow | 2 | 0 | 0 | Yes | No |
| 19063815 | High Frequency Resistant Nuisance Tripping GFCI and with Self-Test and End of Life (STEOL) Circuits | February 2025 | June 2025 | Allow | 4 | 0 | 0 | No | No |
| 19059557 | AC CURRENT SOURCE AND METHOD | February 2025 | October 2025 | Allow | 8 | 2 | 0 | Yes | No |
| 19051761 | CIRCUIT AND METHOD OF DRIVING ANALOG LOADS USING DIGITAL SIGNALS | February 2025 | April 2025 | Allow | 2 | 0 | 0 | Yes | No |
| 19101053 | SYSTEMS AND METHODS TO PROTECT A MEMS RELAY SWITCH SYSTEM | February 2025 | June 2025 | Allow | 4 | 0 | 0 | No | No |
| 19037402 | RAPID TRACKING AND ADAPTIVE COMPENSATION METHOD FOR POWER FLUCTUATION OF PULSE LOAD OF SHIP | January 2025 | May 2025 | Allow | 4 | 0 | 0 | No | No |
| 19037770 | MULTI-VOLTAGE AND MULTI-BRIGHTNESS LED LIGHTING DEVICES AND METHODS OF USING SAME | January 2025 | August 2025 | Allow | 7 | 0 | 0 | No | No |
| 18998648 | DEVICE FOR THE ELECTRICAL PROTECTION OF POWER SUPPLY CABLES FOR PERMANENT-MAGNET MOTORS | January 2025 | January 2026 | Allow | 12 | 2 | 0 | No | No |
| 19032729 | NON-ISOLATED, PARTIAL POWER PROCESSING, DC-DC CONVERTER AND METHOD | January 2025 | May 2025 | Allow | 4 | 1 | 0 | No | No |
| 19024817 | Hybrid direct current transmission system and control method thereof | January 2025 | April 2025 | Allow | 3 | 0 | 0 | No | No |
| 19024826 | MAGNETIC COUPLING DEVICE WITH AT LEAST ONE OF A SENSOR ARRANGEMENT AND A DEGAUSS CAPABILITY | January 2025 | October 2025 | Allow | 9 | 1 | 0 | No | No |
| 19020314 | SYSTEM AND METHODS FOR USING A MEMS SWITCH AS AN IDEAL DIODE | January 2025 | September 2025 | Allow | 8 | 0 | 1 | Yes | No |
| 19014099 | POWER MANAGEMENT SYSTEMS AND METHODS RELATED TO A PLURALITY OF CONVERTERS FOR PROVIDING DUAL INTEGRATED MULTI-MODE POWER MANAGEMENT | January 2025 | February 2026 | Allow | 13 | 1 | 0 | No | No |
| 19011342 | RECTIFICATION CONTROL SYSTEM, CHARGER AND CONTROL METHOD FOR CHARGER | January 2025 | April 2025 | Allow | 3 | 1 | 0 | No | No |
| 19009185 | INTELLIGENT HIGH-POWER GFCI PLUG | January 2025 | June 2025 | Allow | 6 | 0 | 0 | No | No |
| 19005653 | SYSTEMS, METHODS, APPARATUSES, AND DEVICES FOR CONTROLLING CHANGE IN AN IMPEDANCE OF A POWER SUPPLY CIRCUIT DURING A FAULT | December 2024 | April 2025 | Allow | 4 | 0 | 0 | No | No |
| 18831388 | Snubber circuit | December 2024 | October 2025 | Allow | 10 | 0 | 0 | No | No |
| 18986636 | Planar Multilayer Transformer With Minimum Noise Injection In Between Primary And Secondary Winding | December 2024 | February 2025 | Allow | 2 | 0 | 0 | No | No |
| 18986456 | CONTROLLERS, AND ASSOCIATED CIRCUITRY, DEVICES, SYSTEMS, MOBILE UNITS, AND METHODS | December 2024 | April 2025 | Allow | 4 | 1 | 0 | No | No |
| 18876139 | METHOD AND DEVICE OF CONTROLLING POWER SUPPLY CIRCUIT, NON-VOLATILE READABLE STORAGE MEDIUM, AND ELECTRONIC DEVICE | December 2024 | October 2025 | Allow | 10 | 1 | 0 | No | No |
| 18979782 | CERAMIC SUSCEPTOR | December 2024 | May 2025 | Allow | 5 | 1 | 0 | No | No |
| 18979325 | METHOD AND APPARATUS FOR CONTROLLING REDUNDANCY OF VALVE CONTROL SYSTEM OF CONVERTER VALVE | December 2024 | March 2025 | Allow | 3 | 0 | 0 | No | No |
| 18874023 | SYSTEM AND METHOD FOR PROVIDING A DIRECT CURRENT POWER TO A TIME DOMAIN DUPLEXING RADIO | December 2024 | November 2025 | Allow | 11 | 0 | 0 | No | No |
| 18873687 | EXTERNAL LOOP COMPENSATION APPARATUS AND METHOD AND SYSTEM THEREOF, AND MEDIUM | December 2024 | September 2025 | Allow | 9 | 0 | 0 | No | No |
| 18970994 | SWITCHING CYCLE ADAPTIVE CONTROL METHOD FOR SWITCHING POWER SUPPLY | December 2024 | July 2025 | Allow | 7 | 1 | 0 | No | No |
| 18871827 | LAGGING LEG ELIMINATION PHASE-SHIFT FULL-BRIDGE CONVERTER CIRCUIT | December 2024 | September 2025 | Abandon | 10 | 1 | 0 | No | No |
| 18961829 | DUAL-MODE INVERTER SYSTEM | November 2024 | February 2026 | Allow | 15 | 0 | 0 | Yes | No |
| 18869872 | POWER CONVERTER | November 2024 | January 2025 | Allow | 2 | 0 | 0 | No | No |
| 18955571 | ELECTROSTATIC CHUCK | November 2024 | September 2025 | Allow | 10 | 1 | 0 | No | No |
| 18953131 | DUAL-MODE INVERTER SYSTEM | November 2024 | February 2026 | Allow | 15 | 0 | 0 | Yes | No |
| 18945526 | ADAPTIVE ARC SUPPRESSION METHOD FOR GROUND FAULTS IN A COMBINED ACTIVE AND PASSIVE DISTRIBUTION NETWORK | November 2024 | April 2025 | Allow | 5 | 0 | 0 | No | No |
| 18865016 | HIGH VOLTAGE BYPASS DEVICE, VOLTAGE SOURCE CONVERTER AND OPERATING METHOD | November 2024 | May 2025 | Allow | 6 | 1 | 0 | No | No |
| 18943463 | Modular Power-Limited Network Protection System with Integrated Control Circuitry | November 2024 | June 2025 | Allow | 7 | 1 | 1 | Yes | No |
| 18940539 | Switched-mode power supply startup circuit | November 2024 | February 2025 | Allow | 3 | 1 | 0 | No | No |
| 18931851 | MULTI-CHANNEL ALTERNATING CURRENT CONVERSION CIRCUIT, POWER SUPPLY APPARATUS AND ELECTRONIC DEVICE | October 2024 | December 2024 | Allow | 2 | 0 | 0 | No | No |
| 18929966 | Low Voltage Reference Generator Using MOS devices | October 2024 | January 2026 | Allow | 15 | 0 | 0 | No | No |
| 18927037 | POWER CONVERTER HAVING A GATE DRIVE CIRCUIT AND METHOD OF OPERATING | October 2024 | January 2026 | Allow | 15 | 1 | 0 | No | No |
| 18923891 | Active Variable Inductor Circuit | October 2024 | August 2025 | Allow | 10 | 0 | 0 | No | No |
| 18920865 | Electric Distribution Line Ground Fault Prevention Device Using Dual Parameter High Sensitivity Monitoring Small Current Reduction with Small Increase in Negative Sequence Current | October 2024 | January 2025 | Allow | 3 | 0 | 0 | No | No |
| 18857467 | LOW-INDUCTANCE POWER MODULE | October 2024 | January 2026 | Allow | 15 | 0 | 0 | No | No |
| 18913171 | ELECTRICAL RECEPTACLE FAULT PROTECTION | October 2024 | March 2025 | Allow | 5 | 1 | 0 | No | No |
| 18909851 | DUAL-OUTPUT SWITCHED-CAPACITOR POWER CONVERTER | October 2024 | November 2025 | Allow | 13 | 0 | 0 | No | No |
| 18905509 | POWER APPARATUS APPLIED IN SOLID STATE TRANSFORMER STRUCTURE AND THREE-PHASE POWER SYSTEM HAVING THE SAME | October 2024 | August 2025 | Allow | 11 | 1 | 0 | No | No |
| 18900193 | INTELLIGENT RELAY PACKAGE FOR PLACEMENT IN A LOAD TRAY | September 2024 | September 2025 | Allow | 12 | 3 | 0 | Yes | No |
| 18851287 | TRANSFORMER DC MAGNETIZATION DETECTION AND MITIGATION THROUGH VIBRATION MEASUREMENT | September 2024 | February 2025 | Allow | 5 | 0 | 0 | Yes | No |
| 18892202 | Systems and Methods for Creating a Wire Coil Short Circuit Reducer | September 2024 | March 2025 | Allow | 5 | 1 | 0 | Yes | No |
| 18883653 | VEHICLE-TYPE ANTENNA | September 2024 | January 2026 | Allow | 16 | 0 | 0 | No | No |
| 18817515 | MULTI-ENDED IMPEDANCE-BASED FAULT LOCATING FOR UNTRANSPOSED TRANSMISSION LINES | August 2024 | January 2026 | Allow | 17 | 0 | 0 | No | No |
| 18813423 | SCALABLE POWER SUPPLY SYSTEM | August 2024 | October 2025 | Allow | 14 | 0 | 0 | Yes | No |
| 18812694 | Circuits and Method for Controlling a Synchronous Rectifier | August 2024 | May 2025 | Allow | 9 | 2 | 1 | Yes | No |
| 18804187 | DC CONVERTER AND A CONTROL METHOD OF A PWM CONTROLLER | August 2024 | October 2025 | Allow | 14 | 0 | 0 | Yes | No |
| 18803024 | PARALLELING POWER SEMICONDUCTORS WITH DIFFERENT SWITCHING FREQUENCIES | August 2024 | January 2026 | Allow | 17 | 3 | 0 | No | No |
| 18799864 | SYSTEMS, METHODS, AND DEVICES FOR CURRENT SENSING | August 2024 | July 2025 | Allow | 11 | 0 | 0 | No | No |
| 18798347 | Integrating Trans-Inductor Voltage Regulator (TLVR) in Vertical Power Delivery | August 2024 | January 2025 | Allow | 5 | 1 | 0 | No | No |
| 18789524 | SWITCHED-CAPACITOR POWER CONVERTERS | July 2024 | August 2025 | Allow | 12 | 0 | 0 | No | No |
| 18787231 | HIGH VOLTAGE MULTIPLIERS | July 2024 | October 2024 | Allow | 3 | 0 | 0 | No | No |
| 18781868 | CONFIGURABLE VOLTAGE REGULATOR CIRCUIT AND TRANSMITTER CIRCUIT | July 2024 | September 2025 | Allow | 14 | 0 | 0 | No | No |
| 18777620 | DIGITAL LOW-DROPOUT VOLTAGE REGULATOR | July 2024 | February 2026 | Allow | 19 | 1 | 0 | No | No |
| 18778548 | SWITCH CONTROL CIRCUIT AND SWITCH CONTROL METHOD THEREOF | July 2024 | February 2026 | Allow | 19 | 2 | 1 | No | No |
| 18777388 | SYSTEM AND METHOD FOR AN OVERLAPPING INDEPENDENT PHASE ELECTRIC MOTOR/GENERATOR | July 2024 | October 2024 | Allow | 3 | 0 | 0 | No | No |
| 18771406 | Compact Modular Electrical Load Management System | July 2024 | February 2025 | Allow | 7 | 0 | 0 | Yes | No |
| 18771926 | POWER DELIVERY CONTROL CIRCUIT | July 2024 | September 2025 | Allow | 14 | 2 | 0 | Yes | No |
| 18769098 | Multi-Level Structures and Methods for Switched-Mode Power Supplies | July 2024 | March 2026 | Allow | 20 | 1 | 0 | Yes | No |
| 18768986 | ELECTRIC FIELD REDUCTION MECHANISM | July 2024 | March 2026 | Allow | 20 | 0 | 0 | No | No |
| 18768245 | SYNCHRONOUS BOOTSTRAP HALF BRIDGE RECTIFIER | July 2024 | February 2025 | Allow | 7 | 0 | 0 | No | No |
| 18765910 | SYSTEM AND METHOD FOR CALCULATING THE OUTPUT POWER OF A FLYBACK CONVERTER | July 2024 | March 2026 | Allow | 20 | 0 | 0 | Yes | No |
| 18766196 | High-Voltage Three-Phase Four-Bridge-Arm Topology Structure and Inverter | July 2024 | October 2024 | Allow | 4 | 0 | 0 | No | No |
| 18765706 | VOLTAGE REFERENCE CIRCUIT AND METHOD FOR PROVIDING REFERENCE VOLTAGE | July 2024 | June 2025 | Allow | 11 | 0 | 0 | No | No |
| 18765285 | Adaptive Power Supply Voltage Transient Protection | July 2024 | March 2025 | Allow | 8 | 1 | 0 | Yes | No |
| 18764415 | TOTEM-POLE POWER FACTOR CORRECTION CIRCUIT, POWER SUPPLY EQUIPMENT | July 2024 | March 2026 | Allow | 20 | 0 | 0 | No | No |
| 18764199 | POWER CONTROLLER AND POWER MANAGEMENT METHOD FOR MULTI-POWER CONVERSION SYSTEM | July 2024 | March 2026 | Allow | 20 | 0 | 0 | No | No |
| 18763940 | LOW POWER HYBRID REVERSE BANDGAP REFERENCE AND DIGITAL TEMPERATURE SENSOR | July 2024 | April 2025 | Allow | 10 | 0 | 0 | No | No |
| 18762703 | ELECTROSTATIC DISCHARGE CIRCUITS AND METHODS FOR OPERATING THE SAME | July 2024 | June 2025 | Allow | 12 | 1 | 0 | No | No |
| 18762505 | POWER SUPPLY CIRCUIT AND METHOD FOR CONTROLLING POWER SUPPLY CIRCUIT | July 2024 | January 2026 | Allow | 19 | 0 | 0 | No | No |
| 18762569 | RIPPLE SUPPRESSION IN MULTI-PHASE BUCK CONVERTERS | July 2024 | March 2026 | Abandon | 21 | 1 | 0 | No | No |
| 18761753 | Magnetic Flux Cancellation for Power Line Communications | July 2024 | April 2025 | Allow | 10 | 1 | 0 | No | No |
| 18762119 | LIMITING CIRCUIT FOR USE IN EXPLOSION PROTECTION ENVIRONMENTS | July 2024 | March 2026 | Allow | 20 | 0 | 0 | No | No |
| 18760604 | POWER DELIVERY FAST CHARGING CONTROL CIRCUIT AND POWER DELIVERY FAST CHARGING CONTROL METHOD | July 2024 | March 2026 | Allow | 20 | 0 | 0 | No | No |
| 18760567 | POWER CONVERSION APPARATUS AND CHARGING APPARATUS | July 2024 | March 2026 | Allow | 20 | 0 | 0 | Yes | No |
This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 2838.
With a 43.6% reversal rate, the PTAB reverses the examiner's rejections in a meaningful percentage of cases. This reversal rate is in the top 25% across the USPTO, indicating that appeals are more successful here than in most other areas.
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, 36.8% of applications that filed an appeal were subsequently allowed. This appeal filing benefit rate is in the top 25% across the USPTO, indicating that filing appeals is particularly effective here. The act of filing often prompts favorable reconsideration during the mandatory appeal conference.
✓ Appeals to PTAB show good success rates. If you have a strong case on the merits, consider fully prosecuting the appeal to a Board decision.
✓ Filing a Notice of Appeal is strategically valuable. The act of filing often prompts favorable reconsideration during the mandatory appeal conference.
Art Unit 2838 is part of Group 2830 in Technology Center 2800. This art unit has examined 33,796 patent applications in our dataset, with an overall allowance rate of 87.3%. Applications typically reach final disposition in approximately 23 months.
Art Unit 2838's allowance rate of 87.3% places it in the 84% percentile among all USPTO art units. This art unit has a significantly higher allowance rate than most art units at the USPTO.
Applications in Art Unit 2838 receive an average of 1.27 office actions before reaching final disposition (in the 10% percentile). The median prosecution time is 23 months (in the 89% percentile).
When prosecuting applications in this art unit, consider the following:
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.