USPTO Examiner DARLING DEVIN MITCHELL - Art Unit 1764

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19305849FLUORINE-FREE FLAME-RETARDANT RECLAIMED PC/ABS MATERIAL AND PREPARATION METHOD THEREOFAugust 2025February 2026Allow610NoNo
19113979POLYPROPYLENE COMPOSITION FOR CABLE INSULATIONMarch 2025March 2026Allow1221NoNo
18881873Compositions With Hyperbranched Polyester Polyol Polymer Processing AdditivesJanuary 2025September 2025Allow910NoNo
17912185CHLORINATED VINYL CHLORIDE RESINSeptember 2022October 2025Allow3710NoNo
17754128PROPYLENE COPOLYMER, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOFJuly 2022October 2025Allow4210NoNo
17849436ADHESIVE FOR TENNIS BALLJune 2022April 2025Allow3421YesNo
17848502FLAME-RETARDENT COMPOSITION AND MOLDED ARTICLE MADE THEREFROMJune 2022July 2025Abandon3710NoNo
17785182DUAL INITIATOR GRAFTING PROCESS OF POLYBUTADIENE LATEX BY STYRENE/ACRYLONITRILEJune 2022September 2025Abandon3910NoNo
17834471THERMOPLASTIC COMPOSITIONS AND SHAPED ARTICLES THEREOFJune 2022July 2025Abandon3710NoNo
17781854THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLE MANUFACTURED USING THE SAMEJune 2022January 2026Allow4420NoNo
17779773POLYETHYLENE COMPOSITION FOR FILAMENTS OR FIBERSMay 2022June 2025Allow3710NoNo
17752884POLYMER FILM AND METHOD FOR MANUFACTURING THE SAMEMay 2022July 2025Allow3730NoNo
17779765Ethylene-Based Polymer Composition with Branching and Process for Producing the SameMay 2022August 2025Allow3910NoNo
17778087PROCESS FOR PRODUCING A POLYETHYLENE COMPOSITION USING MOLECULAR WEIGHT ENLARGEMENTMay 2022August 2025Allow3911NoNo
17756182SULFHYDRYL MODIFIED HYALURONIC ACID, PREPARATION METHOD THEREFOR AND USE THEREOFMay 2022September 2025Abandon4001NoNo
17756183HYDROGEL OF MERCAPTO-MODIFIED MACROMOLECULAR COMPOUND, AND PREPARATION METHOD THEREFOR AND USE THEREOFMay 2022March 2026Abandon4620YesNo
17662214POLYURETHANES AND MOISTURE CURABLE COMPOSITIONS INCLUDING THE SAMEMay 2022June 2025Allow3711NoNo
17774055AZEOTROPE OR AZEOTROPE-LIKE COMPOSITIONS OF 3,3,3-TRIFLUOROPROPYNE (TFPY) AND HYDROGEN FLUORIDE (HF)May 2022March 2026Allow4621YesNo
17773395THERMOPLASTIC RESIN COMPOSITION, METHOD OF PREPARING THE SAME, AND MOLDED ARTICLE MANUFACTURED USING THE SAMEApril 2022May 2025Allow3610NoNo
17754781CONTROLLED RADICAL POLYMERIZATIONApril 2022October 2025Allow4230NoNo
17760520Thermoplastic Resin Composition and Molded Product Manufactured From SameMarch 2022August 2025Allow4120NoNo
17640369FLUORORUBBER COMPOSITION AND SEALING MATERIALMarch 2022May 2025Abandon3810NoNo
17684572AQUEOUS ADHESIVE FOR TENNIS BALLMarch 2022March 2025Allow3611YesNo
17629138ROTOMOLDED PARTS PREPARED FROM BIMODAL POLYETHYLENEJanuary 2022April 2025Abandon3911NoNo
17626874Thermoplastic Resin Composition, and Molded Article TherefromJanuary 2022August 2025Abandon4320NoNo
17546148REATTACHABLE ADHESIVE PRODUCTSDecember 2021February 2025Abandon3810NoNo

Appeals Overview

No appeal data available for this record. This may indicate that no appeals have been filed or decided for applications in this dataset.

Examiner DARLING, DEVIN MITCHELL - Prosecution Strategy Guide

Executive Summary

Examiner DARLING, DEVIN MITCHELL works in Art Unit 1764 and has examined 1 patent applications in our dataset. With an allowance rate of 0.0%, this examiner allows applications at a lower rate than most examiners at the USPTO. Applications typically reach final disposition in approximately 38 months.

Allowance Patterns

Examiner DARLING, DEVIN MITCHELL's allowance rate of 0.0% places them in the 0% percentile among all USPTO examiners. This examiner is less likely to allow applications than most examiners at the USPTO.

Office Action Patterns

On average, applications examined by DARLING, DEVIN MITCHELL receive 1.00 office actions before reaching final disposition. This places the examiner in the 8% percentile for office actions issued. This examiner issues significantly fewer office actions than most examiners.

Prosecution Timeline

The median time to disposition (half-life) for applications examined by DARLING, DEVIN MITCHELL is 38 months. This places the examiner in the 29% percentile for prosecution speed. Prosecution timelines are slightly slower than average with this examiner.

Examiner Cooperation and Flexibility

Examiner's Amendments: This examiner makes examiner's amendments in 0.0% of allowed cases (in the 6% percentile). This examiner rarely makes examiner's amendments compared to other examiners. You should expect to make all necessary claim amendments yourself through formal amendment practice.

Prosecution Strategy Recommendations

Based on the statistical analysis of this examiner's prosecution patterns, here are tailored strategic recommendations:

  • Prepare for rigorous examination: With a below-average allowance rate, ensure your application has strong written description and enablement support. Consider filing a continuation if you need to add new matter.

Relevant MPEP Sections for Prosecution Strategy

  • MPEP § 713.10: Examiner interviews - available before Notice of Allowance or transfer to PTAB
  • MPEP § 714.12: After-final amendments - may be entered "under justifiable circumstances"
  • MPEP § 1002.02(c): Petitionable matters to Technology Center Director
  • MPEP § 1004: Actions requiring primary examiner signature (allowances, final rejections, examiner's answers)
  • MPEP § 1207.01: Appeal conferences - mandatory for all appeals
  • MPEP § 1214.07: Reopening prosecution after appeal

Important Disclaimer

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.