Detailed information about the 100 most recent patent applications.
| Application Number | Title | Filing Date | Disposal Date | Disposition | Time (months) | Office Actions | Restrictions | Interview | Appeal |
|---|---|---|---|---|---|---|---|---|---|
| 19232245 | CIRCUIT FOR EFFICIENTLY PERFORMING OPERATIONS ON INPUT DATA TO COMPUTE AN INTERPRETABLE AND DIFFERENTIABLE FUNCTION | June 2025 | December 2025 | Allow | 7 | 1 | 0 | Yes | No |
| 19201747 | HIGH PRECISION ANALOG OPTICAL COMPUTING METHOD AND SYSTEM BASED ON BIT SLICE | May 2025 | October 2025 | Allow | 5 | 1 | 0 | Yes | No |
| 19097839 | METHODS FOR DESIGNING HIGH FREEDOM PARAMETERIZED FREQUENCY-MODULATED CODED WAVEFORM | April 2025 | September 2025 | Allow | 5 | 1 | 0 | No | No |
| 19046863 | AEROELECTROMAGNETIC DATA INVERSION METHOD AND SYSTEM BASED ON APPROXIMATE JACOBIAN MATRIX | February 2025 | February 2026 | Abandon | 12 | 2 | 0 | No | No |
| 19011658 | METHOD AND APPARATUS FOR LIGHTWEIGHTING OF ARTIFICIAL INTELLIGENCE MODEL USING DEQUANTIZATION | January 2025 | August 2025 | Allow | 7 | 0 | 0 | Yes | No |
| 18754719 | BIT MATRIX MULTIPLICATION | June 2024 | October 2025 | Allow | 16 | 2 | 0 | Yes | No |
| 18739768 | METHOD AND APPARATUS FOR IMPLIED BIT HANDLING IN FLOATING POINT MULTIPLICATION | June 2024 | July 2025 | Allow | 13 | 1 | 0 | No | No |
| 18602936 | Combinatorial Logic Circuits With Feedback | March 2024 | August 2025 | Allow | 18 | 2 | 0 | Yes | No |
| 18587519 | SYSTEMS AND METHODS EMPLOYING UNIQUE DEVICE FOR GENERATING RANDOM SIGNALS AND METERING AND ADDRESSING, E.G., UNUSUAL DEVIATIONS IN SAID RANDOM SIGNALS | February 2024 | June 2025 | Allow | 16 | 1 | 0 | No | No |
| 18444249 | LOW LATENCY MATRIX MULTIPLY UNIT | February 2024 | November 2025 | Allow | 21 | 0 | 0 | Yes | No |
| 17939654 | SYSTOLIC PARALLEL GALOIS HASH COMPUTING DEVICE | September 2022 | December 2025 | Allow | 39 | 4 | 0 | Yes | No |
| 17799977 | SEMICONDUCTOR DEVICE AND ELECTRONIC DEVICE | August 2022 | February 2026 | Allow | 42 | 0 | 0 | Yes | No |
| 17847817 | ACCELERATION OF 1X1 CONVOLUTIONS IN CONVOLUTIONAL NEURAL NETWORKS | June 2022 | January 2026 | Allow | 42 | 0 | 0 | Yes | No |
| 17840908 | APPARATUS AND METHOD FOR PERFORMING ACCUMULATION OPERATIONS | June 2022 | October 2025 | Allow | 40 | 0 | 0 | No | No |
| 17703744 | MULTIPLICATION AND ACCUMULATION(MAC) OPERATOR AND PROCESSING-IN-MEMORY (PIM) DEVICE INCLUDING THE MAC OPERATOR | March 2022 | January 2026 | Allow | 46 | 1 | 0 | No | No |
| 17761116 | CHARGE-DOMAIN IN-MEMORY COMPUTING CIRCUIT | March 2022 | November 2025 | Allow | 44 | 0 | 1 | No | No |
| 17686409 | COMPUTING DEVICE, COMPUTING APPARATUS AND METHOD OF WARP ACCUMULATION | March 2022 | October 2025 | Allow | 43 | 0 | 0 | No | No |
| 17680436 | DYNAMIC ALGORITHM SELECTION | February 2022 | February 2026 | Allow | 47 | 1 | 0 | Yes | No |
| 17674134 | APPARATUS AND METHOD WITH IN-MEMORY COMPUTING | February 2022 | March 2026 | Allow | 49 | 0 | 0 | Yes | No |
| 17576898 | MEMORY DEVICE AND METHOD FOR COMPUTING-IN-MEMORY (CIM) | January 2022 | August 2025 | Allow | 43 | 0 | 1 | No | No |
| 17625392 | SEMICONDUCTOR DEVICE INCLUDING PRODUCT-SUM OPERATION CIRCUIT AND MEMORY DEVICE, ELECTRONIC COMPONENT, AND ELECTRONIC DEVICE | January 2022 | January 2026 | Allow | 49 | 0 | 0 | No | No |
| 17551876 | SGCNAX: A SCALABLE GRAPH CONVOLUTIONAL NEURAL NETWORK ACCELERATOR WITH WORKLOAD BALANCING | December 2021 | August 2025 | Allow | 44 | 0 | 1 | Yes | No |
| 17546523 | APPARATUS AND METHOD WITH MULTIPLY-ACCUMULATE OPERATION | December 2021 | January 2026 | Allow | 50 | 0 | 0 | Yes | No |
| 17542833 | APPARATUS AND METHOD WITH MULTIPLY-ACCUMULATE OPERATION | December 2021 | January 2026 | Allow | 50 | 0 | 0 | Yes | No |
| 17542016 | PIPELINED PROCESSING OF POLYNOMIAL COMPUTATION | December 2021 | February 2026 | Allow | 50 | 0 | 0 | No | No |
| 17500568 | SYSTEMS AND METHODS FOR SINGLE CHIP QUANTUM RANDOM NUMBER GENERATION | October 2021 | August 2025 | Allow | 46 | 1 | 0 | No | No |
| 17490037 | DECOMPOSING MATRICES FOR PROCESSING AT A PROCESSOR-IN-MEMORY | September 2021 | October 2025 | Allow | 48 | 2 | 0 | Yes | No |
| 17489734 | CONVOLUTIONAL NEURAL NETWORK OPERATIONS | September 2021 | January 2026 | Allow | 52 | 1 | 0 | Yes | No |
| 17485342 | LEARNING STATIC BOUND MANAGEMENT PARAMETERS FOR ANALOG RESISTIVE PROCESSING UNIT SYSTEM | September 2021 | January 2026 | Allow | 51 | 1 | 0 | No | No |
| 17480925 | CONVOLUTIONAL COMPUTATION DEVICE | September 2021 | January 2026 | Allow | 52 | 2 | 0 | Yes | No |
| 17465462 | SYSTEMS AND METHODS FOR ANALYZING STABILITY USING METAL RESISTANCE VARIATIONS | September 2021 | September 2025 | Allow | 49 | 1 | 1 | Yes | No |
| 17391718 | FOLDING COLUMN ADDER ARCHITECTURE FOR DIGITAL COMPUTE IN MEMORY | August 2021 | September 2025 | Allow | 50 | 1 | 0 | No | No |
| 17225915 | MULTIPLICATION AND ACCUMULATION (MAC) OPERATOR AND PROCESSING-IN-MEMORY (PIM) DEVICE INCLUDING THE MAC OPERATOR | April 2021 | September 2025 | Allow | 53 | 1 | 1 | Yes | No |
| 17138733 | TECHNIQUES TO PERFORM OPERATIONS WITH MATRIX MULTIPLY ACCUMULATE (MMA) CIRCUITRY | December 2020 | July 2025 | Allow | 55 | 2 | 0 | Yes | No |
| 17044799 | DATA PREDICTION DEVICE, METHOD, AND PROGRAM | October 2020 | November 2025 | Abandon | 60 | 4 | 0 | Yes | No |
| 16798300 | Apparatus and Method of Fast Floating-Point Adder Tree for Neural Networks | February 2020 | May 2021 | Allow | 15 | 0 | 0 | No | No |
| 16553510 | LINEAR FEEDBACK SHIFT REGISTER WITH NEAR-MAXIMAL LENGTH SEQUENCES | August 2019 | December 2020 | Allow | 15 | 0 | 0 | Yes | No |
| 16511085 | SYSTEM AND METHOD FOR SUPPORTING ALTERNATE NUMBER FORMAT FOR EFFICIENT MULTIPLICATION | July 2019 | December 2020 | Allow | 18 | 0 | 0 | No | No |
| 16333987 | DYNAMICAL SWITCHING BETWEEN EPT AND SHADOW PAGE TABLES FOR RUNTIME PROCESSOR VERIFICATION | March 2019 | February 2021 | Allow | 23 | 0 | 0 | No | No |
| 16253062 | SYSTEM AND METHOD FOR GENERATING RANDOM NUMBERS | January 2019 | March 2020 | Allow | 14 | 0 | 0 | Yes | No |
| 16242780 | Decentralized Random Number Generator | January 2019 | June 2020 | Allow | 17 | 0 | 0 | Yes | No |
| 16208990 | Assessing Distances Between Pairs Of Histograms Based On Relaxed Flow Constraints | December 2018 | February 2021 | Allow | 26 | 1 | 0 | Yes | No |
| 16163596 | METHOD FOR EQUIVALENT HIGH SAMPLING RATE FIR FILTERING BASED ON FPGA | October 2018 | February 2021 | Allow | 28 | 1 | 0 | No | No |
| 16118592 | ADAPTIVE SORT ACCELERATOR SHARING FIRST LEVEL PROCESSOR CACHE | August 2018 | January 2020 | Allow | 17 | 1 | 0 | No | No |
| 16045688 | METASTABLE TRUE RANDOM NUMBER GENERATOR REALIZED ON FPGA | July 2018 | September 2019 | Allow | 14 | 0 | 0 | Yes | No |
| 16042207 | REPRODUCIBLE STOCHASTIC ROUNDING FOR OUT OF ORDER PROCESSORS | July 2018 | October 2018 | Allow | 2 | 1 | 0 | No | No |
| 16070169 | METHOD, APPARATUS AND RECORDING MEDIUM FOR PROCESSING DIVISION CALCULATION | July 2018 | May 2020 | Allow | 22 | 1 | 0 | Yes | No |
| 16017049 | HARDWARE ACCELERATED LINEAR SYSTEM SOLVER | June 2018 | March 2020 | Allow | 20 | 1 | 0 | Yes | No |
| 16015789 | ARITHMETIC PROCESSING DEVICE AND CONTROL METHOD FOR ARITHMETIC PROCESSING DEVICE | June 2018 | April 2020 | Allow | 21 | 2 | 0 | Yes | No |
| 15878453 | ARITHMETIC OPERATION UNIT AND METHOD OF CONTROLLING ARITHMETIC OPERATION UNIT | January 2018 | June 2019 | Allow | 16 | 1 | 0 | Yes | No |
| 15842422 | MATRIX MULTIPLICATION ON A SYSTOLIC ARRAY | December 2017 | November 2018 | Allow | 11 | 3 | 0 | Yes | No |
| 15821171 | REPRODUCIBLE STOCHASTIC ROUNDING FOR OUT OF ORDER PROCESSORS | November 2017 | May 2018 | Allow | 6 | 1 | 0 | Yes | No |
| 15782881 | ARITHMETIC PROCESSING DEVICE AND CONTROL METHOD OF THE ARITHMETIC PROCESSING DEVICE | October 2017 | March 2020 | Allow | 29 | 1 | 0 | Yes | No |
| 15650619 | Signal Processing Method and Apparatus | July 2017 | July 2020 | Allow | 36 | 2 | 0 | Yes | No |
| 15515391 | ELECTRONIC CALCULATING DEVICE FOR PERFORMING OBFUSCATED ARITHMETIC | March 2017 | July 2019 | Allow | 28 | 1 | 0 | Yes | No |
| 15514468 | DIGITAL PROCESSING OF AUDIO SIGNALS UTILIZING COSINE FUNCTIONS | March 2017 | September 2019 | Allow | 29 | 1 | 0 | Yes | No |
| 15459737 | CONVOLUTION OPERATION DEVICE AND METHOD | March 2017 | November 2018 | Allow | 20 | 1 | 0 | No | No |
| 15314614 | PEAK FREQUENCY DETECTION DEVICE, METHOD, AND PROGRAM | November 2016 | October 2017 | Allow | 10 | 1 | 0 | Yes | No |
| 15227149 | DETERMINING UNSIGNED NORMALIZED INTEGER REPRESENTATIONS OF A NUMBER IN DATA PROCESSING SYSTEMS | August 2016 | December 2018 | Allow | 28 | 1 | 0 | No | No |
| 15213884 | SIMPLIFYING CLAUSES FOR MAX-SAT | July 2016 | January 2019 | Allow | 30 | 3 | 0 | Yes | No |
| 15074346 | FLOATING POINT EXECUTION UNIT FOR CALCULATING PACKED SUM OF ABSOLUTE DIFFERENCES | March 2016 | September 2016 | Allow | 5 | 1 | 0 | No | No |
| 15074378 | FLOATING POINT EXECUTION UNIT FOR CALCULATING PACKED SUM OF ABSOLUTE DIFFERENCES | March 2016 | September 2016 | Allow | 5 | 1 | 0 | No | No |
| 14987034 | PARTIAL STOCHASTIC ROUNDING THAT INCLUDES STICKY AND GUARD BITS | January 2016 | November 2017 | Allow | 23 | 1 | 0 | Yes | No |
| 14641578 | SEMICONDUCTOR DEVICE | March 2015 | December 2016 | Allow | 21 | 0 | 0 | No | No |
| 14554389 | SOLUTION METHOD AND SOLUTION APPARATUS FOR UNDERDETERMINED SYSTEM OF LINEAR EQUATIONS | November 2014 | January 2017 | Allow | 26 | 1 | 0 | No | No |
| 14403812 | LOW LATENCY AND LOW COMPLEXITY PHASE SHIFT NETWORK | November 2014 | January 2017 | Allow | 26 | 1 | 0 | Yes | No |
| 14551110 | CUBIC ROOT OF A GALOIS FIELD ELEMENT | November 2014 | June 2017 | Allow | 31 | 2 | 0 | No | No |
| 14397717 | GENERATING AND PARTITIONING POLYNOMIALS | October 2014 | February 2017 | Allow | 28 | 1 | 0 | Yes | No |
| 14448906 | PICOENGINE HAVING A HASH GENERATOR WITH REMAINDER INPUT S-BOX NONLINEARIZING | July 2014 | May 2017 | Allow | 33 | 0 | 0 | Yes | No |
| 14299789 | COMPRESSION OF INTEGER DATA USING A COMMON DIVISOR | June 2014 | February 2016 | Allow | 20 | 1 | 0 | Yes | No |
| 14283918 | PROCESSING DEVICE AND METHOD FOR PERFORMING A STAGE OF A FAST FOURIER TRANSFORM | May 2014 | March 2017 | Allow | 34 | 0 | 0 | Yes | No |
| 14272879 | Generating a Signal | May 2014 | May 2017 | Allow | 36 | 1 | 0 | No | No |
| 14219534 | RANDOM NUMBER GENERATION USING PULSED PROGRAMMING PARAMETERS | March 2014 | August 2016 | Allow | 29 | 0 | 0 | Yes | No |
| 14167253 | ADVANCED COMPUTATIONAL PROCESSES AND METHODS OF USING THE SAME | January 2014 | January 2017 | Allow | 36 | 1 | 0 | Yes | No |
| 14143770 | COMPRESSION OF INTEGER DATA USING A COMMON DIVISOR | December 2013 | January 2016 | Allow | 25 | 1 | 0 | Yes | No |
| 13663970 | OPERAND-OPTIMIZED ASYNCHRONOUS FLOATING-POINT UNITS AND METHOD OF USE THEREOF | October 2012 | August 2016 | Allow | 46 | 2 | 1 | Yes | No |
| 13408388 | FULLY DIGITAL CHAOTIC DIFFERENTIAL EQUATION-BASED SYSTEMS AND METHODS | February 2012 | August 2016 | Allow | 54 | 2 | 0 | Yes | No |
| 12127064 | DESIGN STRUCTURE FOR A BOOTH DECODER | May 2008 | May 2010 | Allow | 23 | 1 | 0 | Yes | No |
| 11844402 | HALF WIDTH COUNTING LEADING ZERO CIRCUIT | August 2007 | March 2011 | Allow | 43 | 0 | 0 | Yes | No |
| 11636242 | HIGH SPEED LOW POWER FIXED-POINT MULTIPLIER AND METHOD THEREOF | December 2006 | November 2010 | Allow | 48 | 1 | 0 | Yes | No |
| 11589932 | ARITHMETIC PROGRAM CONVERSION APPARATUS, ARITHMETIC PROGRAM CONVERSION PROGRAM AND ARITHMETIC PROGRAM CONVERSION METHOD | October 2006 | January 2011 | Allow | 51 | 1 | 0 | Yes | No |
| 11426652 | BOOTH DECODER APPARATUS AND METHOD | June 2006 | May 2010 | Allow | 46 | 1 | 0 | Yes | No |
| 11341256 | COMMON SHIFT-AMOUNT CALCULATION FOR BINARY AND HEX FLOATING POINT | January 2006 | December 2009 | Allow | 47 | 1 | 0 | Yes | No |
| 11213790 | ARITHMETIC UNIT OF ARBITRARY PRECISION, OPERATION METHOD FOR PROCESSING DATA OF ARBITRARY PRECISION AND ELECTRONIC EQUIPMENT | August 2005 | July 2010 | Allow | 59 | 3 | 0 | Yes | No |
No appeal data available for this record. This may indicate that no appeals have been filed or decided for applications in this dataset.
Examiner SANDIFER, MATTHEW D works in Art Unit 2151 and has examined 63 patent applications in our dataset. With an allowance rate of 98.4%, this examiner allows applications at a higher rate than most examiners at the USPTO. Applications typically reach final disposition in approximately 29 months.
Examiner SANDIFER, MATTHEW D's allowance rate of 98.4% places them in the 91% percentile among all USPTO examiners. This examiner is more likely to allow applications than most examiners at the USPTO.
On average, applications examined by SANDIFER, MATTHEW D receive 1.02 office actions before reaching final disposition. This places the examiner in the 10% 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 SANDIFER, MATTHEW D is 29 months. This places the examiner in the 63% percentile for prosecution speed. Prosecution timelines are slightly faster than average with this examiner.
Conducting an examiner interview provides a -2.2% benefit to allowance rate for applications examined by SANDIFER, MATTHEW D. This interview benefit is in the 8% 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, 47.1% of applications are subsequently allowed. This success rate is in the 96% percentile among all examiners. Strategic Insight: RCEs are highly effective with this examiner compared to others. If you receive a final rejection, filing an RCE with substantive amendments or arguments has a strong likelihood of success.
This examiner enters after-final amendments leading to allowance in 50.0% of cases where such amendments are filed. This entry rate is in the 75% 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 file petitions regarding this examiner's actions, 50.0% are granted (fully or in part). This grant rate is in the 46% percentile among all examiners. Strategic Note: Petitions show below-average success regarding this examiner's actions. Ensure you have a strong procedural basis before filing.
Examiner's Amendments: This examiner makes examiner's amendments in 11.1% of allowed cases (in the 94% percentile). Per MPEP § 1302.04, examiner's amendments are used to place applications in condition for allowance when only minor changes are needed. This examiner frequently uses this tool compared to other examiners, indicating a cooperative approach to getting applications allowed. Strategic Insight: If you are close to allowance but minor claim amendments are needed, this examiner may be willing to make an examiner's amendment rather than requiring another round of prosecution.
Quayle Actions: This examiner issues Ex Parte Quayle actions in 3.2% of allowed cases (in the 75% percentile). This examiner issues Quayle actions more often than average when claims are allowable but formal matters remain (MPEP § 714.14).
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.