Prosecution Insights
Last updated: April 19, 2026
Application No. 18/394,893

Performing Coalesced Storage Operations

Non-Final OA §103
Filed
Dec 22, 2023
Examiner
MAMO, ELIAS
Art Unit
2184
Tech Center
2100 — Computer Architecture & Software
Assignee
Pure Storage Inc.
OA Round
5 (Non-Final)
83%
Grant Probability
Favorable
5-6
OA Rounds
2y 7m
To Grant
89%
With Interview

Examiner Intelligence

Grants 83% — above average
83%
Career Allow Rate
766 granted / 922 resolved
+28.1% vs TC avg
Moderate +6% lift
Without
With
+5.6%
Interview Lift
resolved cases with interview
Typical timeline
2y 7m
Avg Prosecution
19 currently pending
Career history
941
Total Applications
across all art units

Statute-Specific Performance

§101
7.0%
-33.0% vs TC avg
§103
58.8%
+18.8% vs TC avg
§102
13.1%
-26.9% vs TC avg
§112
12.1%
-27.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 922 resolved cases

Office Action

§103
DETAILED ACTION Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Continued Examination Under 37 CFR 1.114 A request for continued examination under 37 CFR 1.114, including the fee set forth in 37 CFR 1.17(e), was filed in this application after final rejection. Since this application is eligible for continued examination under 37 CFR 1.114, and the fee set forth in 37 CFR 1.17(e) has been timely paid, the finality of the previous Office action has been withdrawn pursuant to 37 CFR 1.114. Applicant's submission filed on 01/29/2026 has been entered. Claim Rejections - 35 USC § 103 The following is a quotation of 35 U.S.C. 103 which forms the basis for all obviousness rejections set forth in this Office action: A patent for a claimed invention may not be obtained, notwithstanding that the claimed invention is not identically disclosed as set forth in section 102, if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains. Patentability shall not be negated by the manner in which the invention was made. Claims 21, 22, 24-29, 31-36, 38-41 are rejected under 35 U.S.C. 103 as being unpatentable over Wells et al. (US 2017/0344605), hereinafter referred to as Wells in view of Ravindranath et al. (US 9,785,360), hereinafter referred to as Ravindranath. Referring to claim 21, Wells teaches, as claimed, a method comprising: receiving two or more operations that are directed to a cloud-based storage system (i.e.-receiving multiple write queries to write data across multiple cloud locations, page 2, ¶21, lines 10-13 and page 5, ¶48); and generating, by a storage system controller, from the two or more operations, a coalesced operation (i.e.-coalescing the multiple write queries, page 5, ¶50, lines 5-7), wherein the coalesced operation being a single command (page 2, ¶25, lines 8-11 and page 5, ¶50, lines 5-7); and performing the coalesced operation as a single command on a storage volume (see Abstract, lines 13-16; page 1, ¶4, lines 16-22; and page 2, ¶25, lines 8-9) of the cloud-based storage system (page 5, ¶45, lines 12-20; and ¶50, 4-7). However, Wells does not teach wherein the coalesced operation having an operational size below an operational size limit. On the other hand, Ravindranath disclsoes a method for generating a coalesced operation from two or more operations, wherein the coalesced operation having an operational size below an operational size limit (col. 7, lines 12-15, 23-25 and 38-43). Therefore, before the effective filing date of the claimed invention, it would have been obvious to a person of ordinary skill in the art to modify the teachings of Wells so that the coalesced operation having an operational size below an operational size limit and, the storage volume being of the cloud-based storage system, as taught Ravindranath. The motivation for doing so would have been to optimize read/write transactions from and/or to memory components; and saving network bandwidth directed toward distributed storage system. As to claim 22, the modified Wells teaches the method of claim 21, wherein generating the coalesced operation further comprises generating a coalesced write operation (see Wells, page 2, ¶25, lines 7-11). As to claim 24, the modified Wells innately teaches the method of claim 21, further comprising: performing the coalesced operation on two or more memory regions in the storage volume that are adjacent to each other (see Wells, page 10, ¶94, lines 13-16 and ¶105, lines 14-17). As to claim 25, the modified Wells in view of Ravindranath teaches the method of claim 21, wherein the storage volume is a block storage volume (see Ravindranath, col. 9, lines 32-33). As to claim 26, the modified Wells teaches the method of claim 25, wherein metadata for the block storage volume may be stored using an ordered log structured index (see Wells, page 2, ¶21, lines 5-8). As to claim 27, the modified Wells teaches the method of claim 21, wherein the two or more operations include a write operation (see Wells, page 2, ¶21, lines 11-13). Referring to claims 28, 29 and 31-34, the claims are substantially the same as claims 21, 22 and 24-27, hence the rejection of claims 21, 22 and 24-27 is applied accordingly. Referring to claims 35, 36 and 38-41, the claims are substantially the same as claims 21, 22, and 24-27, hence the rejection of claims 21, 22 and 24-27 is applied accordingly. Examiner’s note: Examiner has cited particular columns and line numbers in the references applied to the claims above for the convenience of the Applicant. Although the specified citations are representative of the teachings of the art and are applied to specific limitations within the individual claim, other passages and figures may apply as well. It is respectfully requested from the Applicant in preparing responses, to fully consider the references in entirety as potentially teaching all or part of the claimed invention, as well as the context of the passages as taught by the prior art or disclosed by the Examiner. Response to Arguments Applicant's arguments filed 01/29/2026 have been fully considered but they are moot in view of the new ground(s) of rejection. Contact Information Any inquiry concerning this communication or earlier communications from the examiner should be directed to ELIAS MAMO whose telephone number is (571)270-1726. The examiner can normally be reached Mon-Thu, 7 AM - 5 PM. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, HENRY TSAI can be reached on 571-272-4176. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /Elias Mamo/Primary Examiner, Art Unit 2184
Read full office action

Prosecution Timeline

Dec 22, 2023
Application Filed
Jul 13, 2024
Non-Final Rejection — §103
Oct 08, 2024
Applicant Interview (Telephonic)
Oct 10, 2024
Response Filed
Oct 18, 2024
Examiner Interview Summary
Feb 01, 2025
Final Rejection — §103
Feb 26, 2025
Applicant Interview (Telephonic)
Mar 01, 2025
Examiner Interview Summary
Apr 22, 2025
Request for Continued Examination
May 01, 2025
Response after Non-Final Action
May 17, 2025
Non-Final Rejection — §103
Jun 25, 2025
Applicant Interview (Telephonic)
Jun 28, 2025
Examiner Interview Summary
Jul 23, 2025
Response Filed
Nov 01, 2025
Final Rejection — §103
Dec 09, 2025
Interview Requested
Dec 19, 2025
Applicant Interview (Telephonic)
Dec 27, 2025
Examiner Interview Summary
Jan 29, 2026
Request for Continued Examination
Feb 08, 2026
Response after Non-Final Action
Mar 14, 2026
Non-Final Rejection — §103 (current)

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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

5-6
Expected OA Rounds
83%
Grant Probability
89%
With Interview (+5.6%)
2y 7m
Median Time to Grant
High
PTA Risk
Based on 922 resolved cases by this examiner. Grant probability derived from career allow rate.

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