Prosecution Insights
Last updated: October 02, 2026

Airbnb Inc.

Technology area: Transportation, E-Commerce & Mechanical Systems

12 pending office actions • 6 art units • 12 examiners • 0 of 12 (0%) have an AI response strategy ready • 43 patents granted in the last 365 days

Analysis

Airbnb Inc. is currently managing 12 pending office actions within the Transportation, E-Commerce & Mechanical Systems technology area. These actions are distributed among 12 distinct examiners, which means that every pending action is being reviewed by a different individual. The prosecution activity is spread across 6 distinct art units, reflecting the diverse nature of the company's e-commerce and mechanical system filings. This distribution requires a coordinated effort to ensure consistency in arguments across multiple specialized groups.

DELICH, STEPHANIE ZAGARELLA is the busiest examiner for this portfolio, currently overseeing 1 pending office action. This matches the workload of all other examiners, as the 12 pending actions are split evenly among the 12 distinct examiners. For practitioners, the involvement of 12 distinct examiners for 12 pending actions requires a highly individualized approach to each case. The 6 distinct art units provide some level of grouping, but the one-to-one ratio of examiners to actions remains the dominant factor in the current prosecution landscape.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

12
Total Pending OAs
7
Non-Final OAs
5
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 3 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

2
Overdue
0
Due this week
0
Due this month
1
Due in next 60 days
0
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 3 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (2)Due ≤ 60 days (1)

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

10
Hard (83%)
0
Medium (0%)
2
Easy (17%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 only2 (17%)
§101 + other7 (58%)
§112 only2 (17%)
Multi-statute (no §101)1 (8%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

0
Life Sciences
0% of docket
1
Information Tech
8% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
7
Mechanical / Eng
58% of docket
4
Business / Other
33% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

120 h
Manual time on pending OAs
24 h
Time saved (low, 20%)
42 h
Time saved (mid, 35%)
1.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
DELICH, STEPHANIE ZAGARELLA 1 38.7% +36.1%
NAKHJAVAN, SHERVIN K 1 88.3% +11.0%
HAILU, TADESSE 1 78.0% +4.0%
KAZIMI, HANI M 1 48.5% +19.4%
MISIASZEK, MICHAEL 1 55.9% +14.8%
ZEROUAL, OMAR 1 33.5% +39.7%
GOODMAN, MATTHEW PARKER 1 20.2% +30.3%
PADUA, NICO LAUREN 1 17.4% +38.7%
AUSTIN, JAMIE H 1 24.8% +33.2%
SITTNER, MICHAEL J 1 10.9% +14.9%

Hard Cases (11)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
18631419 INVITING CO-TRAVELERS TO VIEW A RESERVATION ZEROUAL, OMAR 60d overdue
18185840 Intelligent Prediction of An Expected Value of User Conversion PADUA, NICO LAUREN 46d overdue
17731509 AUTO-GENERATION OF ONLINE LISTING INFORMATION SITTNER, MICHAEL J 33d
19174545 HOST ACTION RANKING ENGINE FOR IMPROVED LISTINGS DELICH, STEPHANIE ZAGARELLA —
18910771 MIXTURE OF EXPERTS FOR IMAGE CLASSIFICATION NAKHJAVAN, SHERVIN K —
18905551 AUTOMATED IMAGE ORGANIZATION SYSTEM HAILU, TADESSE —
18891385 ORCHESTRATING MULTI-STEP TASKS INVOLVING LANGUAGE MODELS KAZIMI, HANI M —
18653848 Systems, Methods and User Interfaces for Organizing Wish Lists in Online Marketplaces MISIASZEK, MICHAEL —

Interview Candidates (9)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
18631419 INVITING CO-TRAVELERS TO VIEW A RESERVATION ZEROUAL, OMAR 60d overdue
18185840 Intelligent Prediction of An Expected Value of User Conversion PADUA, NICO LAUREN 46d overdue
17731509 AUTO-GENERATION OF ONLINE LISTING INFORMATION SITTNER, MICHAEL J 33d
19174545 HOST ACTION RANKING ENGINE FOR IMPROVED LISTINGS DELICH, STEPHANIE ZAGARELLA —
18910771 MIXTURE OF EXPERTS FOR IMAGE CLASSIFICATION NAKHJAVAN, SHERVIN K —
18891385 ORCHESTRATING MULTI-STEP TASKS INVOLVING LANGUAGE MODELS KAZIMI, HANI M —
18653848 Systems, Methods and User Interfaces for Organizing Wish Lists in Online Marketplaces MISIASZEK, MICHAEL —
18136674 SPLIT STAYS RANKING AND MATCHING GOODMAN, MATTHEW PARKER —

Top Art Units

Art UnitApps
3628 3
3688 1
3626 1
3625 1
3621 1
2165 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19174545 HOST ACTION RANKING ENGINE FOR IMPROVED LISTINGS DELICH, STEPHANIE ZAGARELLA — §101§112 Non-Final OA — Pending Apr 09, 2025
18910771 MIXTURE OF EXPERTS FOR IMAGE CLASSIFICATION NAKHJAVAN, SHERVIN K — §103§112 Non-Final OA — Pending Oct 09, 2024
18905551 AUTOMATED IMAGE ORGANIZATION SYSTEM HAILU, TADESSE — §101§103 Non-Final OA — Pending Oct 03, 2024
18891385 ORCHESTRATING MULTI-STEP TASKS INVOLVING LANGUAGE MODELS KAZIMI, HANI M — §101§102 Non-Final OA — Pending Sep 20, 2024
18653848 Systems, Methods and User Interfaces for Organizing Wish Lists in Online Marketplaces MISIASZEK, MICHAEL 3688 §101§103 Final Rejection — Pending May 02, 2024
18631419 INVITING CO-TRAVELERS TO VIEW A RESERVATION ZEROUAL, OMAR 3628 §101 Final Rejection 60d overdue Pending Apr 10, 2024
18136674 SPLIT STAYS RANKING AND MATCHING GOODMAN, MATTHEW PARKER 3628 §112 Non-Final OA — Pending Apr 19, 2023
18185840 Intelligent Prediction of An Expected Value of User Conversion PADUA, NICO LAUREN 3626 §101§103 Non-Final OA 46d overdue Pending Mar 17, 2023
17983294 SYSTEMS AND METHODS FOR OPTIMIZING SEARCH RESULTS AUSTIN, JAMIE H 3625 §101 Final Rejection — Pending Nov 08, 2022
17731509 AUTO-GENERATION OF ONLINE LISTING INFORMATION SITTNER, MICHAEL J 3621 §101§103§112 Final Rejection 33d Pending Apr 28, 2022
17728394 FLEXIBLE VARIABLE LISTINGS SEARCH NGUYEN, LOAN T 2165 §112 Non-Final OA — Pending Apr 25, 2022
17658798 SYSTEMS AND METHODS FOR ANALYZING USER INTERACTION DATA USING MACHINE LEARNING TO ORGANIZE SEARCH RESULTS CLARE, MARK C 3628 §101§112 Final Rejection — Pending Apr 11, 2022

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