USPTO Examiner OBRIEN DAVID WILLIAM - Art Unit 2973

Examiner Information

Name: OBRIEN, DAVID WILLIAM
Art Unit: 2973
Total Cases: 1
Last Active: February 2025

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
29988932DISPENSERFebruary 2025October 2025Allow810NoNo
29986245Aromatherapy HumidifierJanuary 2025April 2025Allow310NoNo
29984612Aromatherapy MachineJanuary 2025April 2025Allow310NoNo
29980504AROMATHERAPY MACHINEDecember 2024November 2025Allow1000NoNo
29980382Aromatherapy HumidifierDecember 2024March 2025Allow310NoNo
29974853AROMATHERAPY MACHINENovember 2024January 2026Allow1300NoNo
29973242Pet Air PurifierNovember 2024March 2025Allow410NoNo
29962974External Housing and Mounting Bracket for Forced-Air Scent Dispersal DeviceSeptember 2024November 2025Allow1410YesNo
29962951Fragrance CardSeptember 2024March 2026Allow1810YesNo
29961751Car aromatherapy diffuserSeptember 2024October 2025Allow1300NoNo
29955843IONIZING BLOWERAugust 2024September 2025Allow1410NoNo
29942698Air FilterMay 2024October 2025Allow1710NoNo
29938974FRAGRANCE MEMBRANE HOUSING COMPONENTApril 2024November 2025Allow1910NoNo
29929581FILTER FOR AIR PURIFIERFebruary 2024December 2025Allow2200NoNo
29929577FILTER FOR AIR PURIFIERFebruary 2024December 2025Allow2200NoNo
29925211AIR FRESHENERJanuary 2024August 2025Allow1910NoNo
29908510DispenserJanuary 2024December 2025Allow2310YesNo
29907727MULTI-PANEL AIR FILTERJanuary 2024November 2025Allow2210NoNo
29917140AROMA DIFFUSERNovember 2023April 2025Allow1710NoNo
35519813Liquid diffusing deviceSeptember 2023October 2025Allow2511NoNo
29903507AROMA DIFFUSERSeptember 2023July 2025Allow2110NoNo
29910722FILTER CARTRIDGEAugust 2023September 2025Allow2501NoNo
29910725FILTER CARTRIDGEAugust 2023October 2025Allow2611NoNo
29878874PERFUME OR ESSENTIAL OIL DIFFUSERSJune 2023November 2025Allow2811NoNo
29854402FILTER EXTENDER PANELSeptember 2022December 2025Allow3910YesNo
29854400V-BANK AIR FILTERSeptember 2022January 2026Allow4020NoNo
29865251FILTER INSERTJuly 2022December 2025Allow4110NoNo
29834147HANGABLE AQUARIUM FILTERApril 2022October 2025Allow4211NoNo
29830533BUCKET FILTERMarch 2022May 2025Allow3810NoNo
29830119VENTILATION FILTERMarch 2022July 2025Allow4010NoNo
29811324Picolino filter with optimized keylockOctober 2021September 2025Allow4811NoNo

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 OBRIEN, DAVID WILLIAM - Prosecution Strategy Guide

Executive Summary

Examiner OBRIEN, DAVID WILLIAM works in Art Unit 2973 and has examined 1 patent applications in our dataset. With an allowance rate of 100.0%, this examiner allows applications at a higher rate than most examiners at the USPTO. Applications typically reach final disposition in approximately 48 months.

Allowance Patterns

Examiner OBRIEN, DAVID WILLIAM's allowance rate of 100.0% places them in the 99% percentile among all USPTO examiners. This examiner is more likely to allow applications than most examiners at the USPTO.

Office Action Patterns

On average, applications examined by OBRIEN, DAVID WILLIAM receive 1.00 office actions before reaching final disposition. This places the examiner in the 9% 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 OBRIEN, DAVID WILLIAM is 48 months. This places the examiner in the 8% percentile for prosecution speed. Applications take longer to reach final disposition with this examiner compared to most others.

Examiner Cooperation and Flexibility

Examiner's Amendments: This examiner makes examiner's amendments in 0.0% of allowed cases (in the 33% percentile). This examiner makes examiner's amendments less often than average. You may need to make most claim amendments yourself.

Quayle Actions: This examiner issues Ex Parte Quayle actions in 0.0% of allowed cases (in the 35% percentile). This examiner issues Quayle actions less often than average. Allowances may come directly without a separate action for formal matters.

Prosecution Strategy Recommendations

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

  • Plan for extended prosecution: Applications take longer than average with this examiner. Factor this into your continuation strategy and client communications.

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.