Prosecution Insights
Last updated: April 19, 2026
Application No. 18/928,972

METHODS AND SYSTEMS TO IMPROVE INPUT/OUTPUT (I/O) RESUMPTION TIME BY BATCHING MULTIPLE NON-CONFLICTING OPERATIONS DURING A NON-DISRUPTIVE AUTOMATIC UNPLANNED FAILOVER FROM A PRIMARY COPY OF DATA AT A PRIMARY STORAGE SYSTEM TO A MIRROR COPY OF THE DATA AT A CROSS-SITE SECONDARY STORAGE SYSTEM

Non-Final OA §DP
Filed
Oct 28, 2024
Examiner
MASKULINSKI, MICHAEL C
Art Unit
2113
Tech Center
2100 — Computer Architecture & Software
Assignee
Netapp Inc.
OA Round
1 (Non-Final)
89%
Grant Probability
Favorable
1-2
OA Rounds
2y 7m
To Grant
98%
With Interview

Examiner Intelligence

Grants 89% — above average
89%
Career Allow Rate
669 granted / 752 resolved
+34.0% vs TC avg
Moderate +9% lift
Without
With
+9.2%
Interview Lift
resolved cases with interview
Typical timeline
2y 7m
Avg Prosecution
16 currently pending
Career history
768
Total Applications
across all art units

Statute-Specific Performance

§101
14.1%
-25.9% vs TC avg
§103
25.7%
-14.3% vs TC avg
§102
29.6%
-10.4% vs TC avg
§112
18.2%
-21.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 752 resolved cases

Office Action

§DP
Non-Final Office 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 . Double Patenting The nonstatutory double patenting rejection is based on a judicially created doctrine grounded in public policy (a policy reflected in the statute) so as to prevent the unjustified or improper timewise extension of the “right to exclude” granted by a patent and to prevent possible harassment by multiple assignees. A nonstatutory double patenting rejection is appropriate where the conflicting claims are not identical, but at least one examined application claim is not patentably distinct from the reference claim(s) because the examined application claim is either anticipated by, or would have been obvious over, the reference claim(s). See, e.g., In re Berg, 140 F.3d 1428, 46 USPQ2d 1226 (Fed. Cir. 1998); In re Goodman, 11 F.3d 1046, 29 USPQ2d 2010 (Fed. Cir. 1993); In re Longi, 759 F.2d 887, 225 USPQ 645 (Fed. Cir. 1985); In re Van Ornum, 686 F.2d 937, 214 USPQ 761 (CCPA 1982); In re Vogel, 422 F.2d 438, 164 USPQ 619 (CCPA 1970); In re Thorington, 418 F.2d 528, 163 USPQ 644 (CCPA 1969). A timely filed terminal disclaimer in compliance with 37 CFR 1.321(c) or 1.321(d) may be used to overcome an actual or provisional rejection based on nonstatutory double patenting provided the reference application or patent either is shown to be commonly owned with the examined application, or claims an invention made as a result of activities undertaken within the scope of a joint research agreement. See MPEP § 717.02 for applications subject to examination under the first inventor to file provisions of the AIA as explained in MPEP § 2159. See MPEP § 2146 et seq. for applications not subject to examination under the first inventor to file provisions of the AIA . A terminal disclaimer must be signed in compliance with 37 CFR 1.321(b). The filing of a terminal disclaimer by itself is not a complete reply to a nonstatutory double patenting (NSDP) rejection. A complete reply requires that the terminal disclaimer be accompanied by a reply requesting reconsideration of the prior Office action. Even where the NSDP rejection is provisional the reply must be complete. See MPEP § 804, subsection I.B.1. For a reply to a non-final Office action, see 37 CFR 1.111(a). For a reply to final Office action, see 37 CFR 1.113(c). A request for reconsideration while not provided for in 37 CFR 1.113(c) may be filed after final for consideration. See MPEP §§ 706.07(e) and 714.13. The USPTO Internet website contains terminal disclaimer forms which may be used. Please visit www.uspto.gov/patent/patents-forms. The actual filing date of the application in which the form is filed determines what form (e.g., PTO/SB/25, PTO/SB/26, PTO/AIA /25, or PTO/AIA /26) should be used. A web-based eTerminal Disclaimer may be filled out completely online using web-screens. An eTerminal Disclaimer that meets all requirements is auto-processed and approved immediately upon submission. For more information about eTerminal Disclaimers, refer to www.uspto.gov/patents/apply/applying-online/eterminal-disclaimer. Claims 1-7 are rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-7 of U.S. Patent No. 12,158,824 B2. Although the claims at issue are not identical, they are not patentably distinct from each other because claims 1-7 of U.S. Patent No. 12,158,824 B2 contain(s) every element of claim(s) 1-7 of the instant application and as such anticipate(s) claim(s) 1-7 of the instant application. The following is a mapping of the claims: Referring to claim 1: Claim 1 of U.S. 12,158,824 B2 discloses: A computer-implemented method performed by one or more processors of a multi-site distributed storage system comprising: determining, with a second storage cluster of the multi-site distributed storage system (a multi-site distributed storage system with a second storage cluster), whether heartbeat information from one or more storage objects of a consistency group (CG) of a first set of CGs of a first storage cluster of the multi-site distributed storage system (a multi-site distributed storage system with a first storage cluster having a first set of consistency groups) is received during a time period (determining, with the second storage cluster, whether heartbeat information from one or more storage objects of a CG of the first set of CGs is received during a time period). sending a single bulk role change call with a cluster identifier from the second storage cluster to an external mediator to provide a role change from a follower to a leader in a mirrored CG of a second set of CGs of the second storage cluster (a second storage cluster having a second mirrored set of CGs initially with a follower role) based on an out of sync (OOS) state for the CG of the first set of CGs (sending a single bulk role change call with a cluster identifier from the second cluster to an external mediator to provide a role change from follower to leader in the second set of CGs based on the OOS state for the CG of the first set of CGs) when heartbeat information is not received from the one or more storage objects of the CG of the first set of CGs (determining an out of sync (OOS) state for a data replication relationship between the CG of the first set of CGs and a mirrored CG of the second set of CGs when the heartbeat information is not received during the time period). Claims 2-7 are anticipated by claims 2-7 of U.S. Patent No. 12,158,824 B2. “A later patent claim is not patentably distinct from an earlier patent claim if the later claim is obvious over, or anticipated by, the earlier claim. In re Longi, 759 F.2d at 896, 225 USPQ at 651 (affirming a holding of obviousness-type double patenting because the claims at issue were obvious over claims in four prior art patents); In re Berg, 140 F.3d at 1437, 46 USPQ2d at 1233 (Fed. Cir. 1998) (affirming a holding of obviousness-type double patenting where a patent application claim to a genus is anticipated by a patent claim to a species within that genus). “ ELI LILLY AND COMPANY v BARR LABORATORIES, INC., United States Court of Appeals for the Federal Circuit, ON PETITION FOR REHEARING EN BANC (DECIDED: May 30, 2001). Claims 8-14 are rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-7 of U.S. Patent No. 12,158,824 B2 in view of the well-known practice of implementing a method with a non-transitory computer-readable storage medium embodying a set of instructions executed by a processor. Referring to claim 8: Claim 1 of U.S. 12,158,824 B2 discloses: determine, with a second storage cluster of the multi-site distributed storage system (a multi-site distributed storage system with a second storage cluster), whether heartbeat information from one or more storage objects of a consistency group (CG) of a first set of CGs of a first storage cluster of the multi-site distributed storage system (a multi-site distributed storage system with a first storage cluster having a first set of consistency groups) is received during a time period (determining, with the second storage cluster, whether heartbeat information from one or more storage objects of a CG of the first set of CGs is received during a time period). send a single bulk role change call with a cluster identifier from the second storage cluster to an external mediator to provide a role change from a follower to a leader in a mirrored CG of a second set of CGs of the second storage cluster (a second storage cluster having a second mirrored set of CGs initially with a follower role) based on an out of sync (OOS) state for the CG of the first set of CGs (sending a single bulk role change call with a cluster identifier from the second cluster to an external mediator to provide a role change from follower to leader in the second set of CGs based on the OOS state for the CG of the first set of CGs) when heartbeat information is not received from the one or more storage objects of the CG of the first set of CGs (determining an out of sync (OOS) state for a data replication relationship between the CG of the first set of CGs and a mirrored CG of the second set of CGs when the heartbeat information is not received during the time period). Claim 1 of US 12,158,824 B2 additionally discloses a computer-implemented method. However claim 1 of US 12,158,824 B2 does not explicitly disclose a non-transitory computer-readable storage medium embodying a set of instructions, which when executed by one or more processing resources of a multi-site distributed storage system cause the one or more processing resources to perform the method of claim 1. The Examiner takes official notice that it is well-known to implement a computer-implemented method with a non-transitory computer-readable storage medium embodying a set of instructions executed by a processor. It would have been obvious to one of ordinary skill at the time of filing of the invention to implement the computer-implemented method of claim 1 with a non-transitory computer-readable storage medium embodying a set of instructions executed by a processor. A person of ordinary skill in the art would have been motivated to make the modification because using an apparatus, device, computer system, or software to perform a method puts into practice the method and gives it a real world application. Claims 2-7 of US 12,158,824 B2 disclose the limitations of claims 9-14. Allowable Subject Matter Claims 1-14 would be allowable if the non-statutory double patenting rejection was overcome. Claims 15-20 are allowed. The following is a statement of reasons for the indication of allowable subject matter. With respect to claims 1 and 8, the prior art does not teach or reasonably suggest, in combination with the remaining limitations, sending a single bulk role change call with a cluster identifier from the second storage cluster to an external mediator to provide a role change from a follower to a leader in a mirrored CG of a second set of CGs of the second storage cluster based on an out of sync (OOS) state for the CG of the first set of CGs when heartbeat information is not received from the one or more storage objects of the CG of the first set of CGs. With respect to claim 15, the prior art does not teach or reasonably suggest, in combination with the remaining limitations, a multi-site distributed storage system comprising: a primary storage site with a first cluster having a first set of consistency groups (CGs) initially with a leader role; and a secondary storage site with a second cluster having a second mirrored set of CGs initially with a follower role, wherein one or more processors is configured to determine whether heartbeat information from one or more storage objects of a consistency group (CG) of the first set of CGs of the first storage cluster of the multi-site distribution storage system is received by the second cluster during a time period; and to start an automatic unplanned failover (AUFO) with a single execution context for a mirrored CG of the second mirrored set of CGs when the heartbeat information from one or more storage objects of the CG of the first set of CGs is not received during the time period. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to MICHAEL C MASKULINSKI whose telephone number is (571)272-3649. The examiner can normally be reached Monday-Friday 8:00 am-5:00 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, Bryce Bonzo can be reached at (571) 272-3655. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. 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. 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. /MICHAEL MASKULINSKI/Primary Examiner, Art Unit 2113
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Prosecution Timeline

Oct 28, 2024
Application Filed
Jan 16, 2026
Non-Final Rejection — §DP (current)

Precedent Cases

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

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Prosecution Projections

1-2
Expected OA Rounds
89%
Grant Probability
98%
With Interview (+9.2%)
2y 7m
Median Time to Grant
Low
PTA Risk
Based on 752 resolved cases by this examiner. Grant probability derived from career allow rate.

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