Prosecution Insights
Last updated: October 25, 2026

Ls3 Sonos

Technology area: Communications

16 pending office actions • 1 client • 14 examiners • 12 art units • 0 of 16 (0%) have an AI response strategy ready • 40 patents granted in the last 365 days

Analysis

LS3 Sonos handles Communications and has 617 career applications. Its current docket contains 16 pending office actions, showing active examination work within the recorded portfolio.

The resolved allowance rate is 98.37%, and allowances have required an average of 2.89 office actions. The outcome figure indicates that nearly all resolved matters reached allowance, while the action average shows that favorable results have generally involved multiple responses. Communications applicants can use these measures to distinguish the firm’s historical resolution pattern from the ongoing workload reflected in the docket.

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

Quality Metrics (n=617 apps, methodology: how we score firms)

98.4%
Allowance Rate
n=617
+0.71σ
Allowance Rate (norm)
n=617
2.9
OAs to Allowance
n=484
-0.32σ
OAs to Allow (norm)
n=484
802 days
Time to Allowance
n=484
+1.5pp
Interview Lift
n=617
30.9%
RCE Rate
n=617
1.2%
Appeal Rate
n=617

Rejection Performance (% of received rejections ultimately overcome)

92.6%
§101 Overcome
n=54
91.2%
§102 Overcome
n=125
91.8%
§103 Overcome
n=270
91.3%
§112 Overcome
n=92

Specialization & Scale

G06F, H04R, H04L
Top CPC Subclasses
55%
Top-3 CPC Share
n=617
0
Practitioners
n=617
—
Apps / Practitioner
n=617 (min 20)

Portfolio Summary

16
Total Pending OAs
11
Non-Final OAs
5
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 7 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

3
Overdue
2
Due this week
2
Due this month
0
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. 7 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (3)Due ≤ 7 days (2)Due ≤ 30 days (2)

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.

5
Hard (31%)
9
Medium (56%)
2
Easy (12%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (6%)
§103 only8 (50%)
§102 only1 (6%)
Double-patenting only2 (12%)
Multi-statute (no §101)4 (25%)

Industry Mix

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

0
Life Sciences
0% of docket
6
Information Tech
38% of docket
9
Communications
56% of docket
1
Semiconductors
6% of docket
0
Mechanical / Eng
0% of docket
0
Business / Other
0% 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.

160 h
Manual time on pending OAs
32 h
Time saved (low, 20%)
56 h
Time saved (mid, 35%)
1.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MCCORD, PAUL C 3 69.3% +25.9%
FAN, HUA 1 69.8% +21.2%
SKHOUN, HICHAM 1 77.1% +5.5%
ABEDIN, NORMIN 1 84.5% +10.2%
SUTHERS, DOUGLAS JOHN 1 76.6% +10.5%
SAINT CYR, LEONARD 1 77.4% +18.0%
TON, DAVID L 1 84.8% +12.3%
PATEL, YOGESHKUMAR G 1 83.6% +3.2%
PAUL, DISLER 1 82.3% +8.6%
DEANE JR, WILLIAM J 1 82.6% +2.6%

Quick Wins (4)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 4 ordered by deadline are shown.

App #TitleExaminerDue in
19184737 Techniques for Extending the Lifespan of Playback Devices ABEDIN, NORMIN —
19031204 Multi-Channel Acoustic Echo Cancellation TON, DAVID L —
19030817 Wireless Radio Switching PAUL, DISLER —
19019322 Methods and Devices for Rejoining a Group DEANE JR, WILLIAM J —

Hard Cases (5)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 5 ordered by deadline are shown.

App #TitleExaminerDue in
18514882 ASSOCIATING PLAYBACK DEVICES WITH PLAYBACK QUEUES MCCORD, PAUL C 26d overdue
18745199 Dynamic Bonding of Playback Devices MCCORD, PAUL C 5d
19341240 Adaptive Streaming Content Selection for Playback Groups FAN, HUA —
19253512 Playback Queue Collaboration and Notification SKHOUN, HICHAM —
19030844 Volume Limit PATEL, YOGESHKUMAR G —

Interview Candidates (8)

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
18514882 ASSOCIATING PLAYBACK DEVICES WITH PLAYBACK QUEUES MCCORD, PAUL C 26d overdue
18745199 Dynamic Bonding of Playback Devices MCCORD, PAUL C 5d
18597873 Systems and Methods for Calibrating a Playback Device MCCORD, PAUL C 6d
19341240 Adaptive Streaming Content Selection for Playback Groups FAN, HUA —
19184737 Techniques for Extending the Lifespan of Playback Devices ABEDIN, NORMIN —
19044357 Cable Retraction Mechanism for Headphone Devices SUTHERS, DOUGLAS JOHN —
19031037 Handling of loss of pairing between networked devices SAINT CYR, LEONARD —
19031204 Multi-Channel Acoustic Echo Cancellation TON, DAVID L —

Client Portfolio (1 client)

Client (Assignee)Pending OAs
Sonos 16

Top Art Units

Art UnitApps
26953
26923
24261
21641
24491
26581
26911
26931
28451
21181

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19341240 Adaptive Streaming Content Selection for Playback Groups Sonos, Inc. FAN, HUA 2426 §103§112 Non-Final OA — Pending Sep 26, 2025
19253512 Playback Queue Collaboration and Notification Sonos, Inc. SKHOUN, HICHAM 2164 §101§103Other Non-Final OA — Pending Jun 27, 2025
19184737 Techniques for Extending the Lifespan of Playback Devices Sonos, Inc. ABEDIN, NORMIN 2449 §103Other Non-Final OA — Pending Apr 21, 2025
19044357 Cable Retraction Mechanism for Headphone Devices Sonos, Inc. SUTHERS, DOUGLAS JOHN 2695 §103Other Non-Final OA — Pending Feb 03, 2025
19031037 Handling of loss of pairing between networked devices Sonos, Inc. SAINT CYR, LEONARD 2658 §102Other Non-Final OA — Pending Jan 17, 2025
19031204 Multi-Channel Acoustic Echo Cancellation Sonos, Inc. TON, DAVID L 2695 DP Non-Final OA — Pending Jan 17, 2025
19030844 Volume Limit Sonos, Inc. PATEL, YOGESHKUMAR G 2691 §102§103 Non-Final OA — Pending Jan 17, 2025
19030817 Wireless Radio Switching Sonos, Inc. PAUL, DISLER 2695 §103Other Non-Final OA — Pending Jan 17, 2025
19019322 Methods and Devices for Rejoining a Group Sonos, Inc. DEANE JR, WILLIAM J 2693 DP Non-Final OA — Pending Jan 13, 2025
18800916 Sound and Light Experiences Sonos, Inc. CHAI, RAYMOND REI-YANG 2845 §103Other Final Rejection 16d Pending Aug 12, 2024
18766327 Intelligent User Interfaces for Playback Devices Sonos, Inc. YOON, ERIC 2118 §103Other Final Rejection 16d overdue Pending Jul 08, 2024
18745199 Dynamic Bonding of Playback Devices Sonos, Inc. MCCORD, PAUL C 2692 §103§112Other Final Rejection 5d Pending Jun 17, 2024
18597873 Systems and Methods for Calibrating a Playback Device Sonos, Inc. MCCORD, PAUL C 2692 §103 Final Rejection 6d Pending Mar 06, 2024
18514882 ASSOCIATING PLAYBACK DEVICES WITH PLAYBACK QUEUES Sonos, Inc. MCCORD, PAUL C 2692 §103§112Other Non-Final OA 26d overdue Pending Nov 20, 2023
18464848 Multiple Media Playback Protocols for Synchronized Media Playback in Grouped Zones Sonos, Inc. WON, MICHAEL YOUNG 2443 §103 Non-Final OA 85d overdue Pending Sep 11, 2023
18549543 Off-LAN Experience for Portables Sonos, Inc. MUHEBBULLAH, SAJEDA 2174 §103 Final Rejection 30d Pending Sep 07, 2023

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Frequently Asked Questions

What is Ls3 Sonos's patent allowance rate?

98.4% of resolved applications prosecuted by Ls3 Sonos were allowed, across 617 applications in USPTO records.

How many office actions does Ls3 Sonos average before allowance?

2.89 office actions per allowed application on average.

How many pending office actions does Ls3 Sonos have?

16 pending office actions as of October 2026, for 1 client, before 14 examiners in 12 art units.

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