Prosecution Insights
Last updated: April 19, 2026
Application No. 18/488,905

ENERGY STORAGE SYSTEM

Non-Final OA §103
Filed
Oct 17, 2023
Examiner
YOUNG, NATASHA E
Art Unit
1774
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Samsung Electronics
OA Round
1 (Non-Final)
83%
Grant Probability
Favorable
1-2
OA Rounds
2y 8m
To Grant
92%
With Interview

Examiner Intelligence

Grants 83% — above average
83%
Career Allow Rate
887 granted / 1070 resolved
+17.9% vs TC avg
Moderate +9% lift
Without
With
+9.2%
Interview Lift
resolved cases with interview
Typical timeline
2y 8m
Avg Prosecution
24 currently pending
Career history
1094
Total Applications
across all art units

Statute-Specific Performance

§101
1.5%
-38.5% vs TC avg
§103
42.9%
+2.9% vs TC avg
§102
20.0%
-20.0% vs TC avg
§112
21.0%
-19.0% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1070 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 . Claim Rejections - 35 USC § 103 In the event the determination of the status of the application as subject to AIA 35 U.S.C. 102 and 103 (or as subject to pre-AIA 35 U.S.C. 102 and 103) is incorrect, any correction of the statutory basis (i.e., changing from AIA to pre-AIA ) for the rejection will not be considered a new ground of rejection if the prior art relied upon, and the rationale supporting the rejection, would be the same under either status. 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. The factual inquiries for establishing a background for determining obviousness under 35 U.S.C. 103 are summarized as follows: 1. Determining the scope and contents of the prior art. 2. Ascertaining the differences between the prior art and the claims at issue. 3. Resolving the level of ordinary skill in the pertinent art. 4. Considering objective evidence present in the application indicating obviousness or nonobviousness. Claim(s) 1-2 and 10-11 is/are rejected under 35 U.S.C. 103 as being unpatentable over Lui et al. (CN 112467239 A) in view of Hallmark et al. (US 10,320,034 B2) and Chang (US 2021/0075227 A1). Regarding claim 1, Lui et al. discloses an energy storage system (energy storage device, 50) comprising: a battery system (battery cluster management unit, 211) configured to comprise battery banks (group of battery pack, 23) electrically connected to each other; battery management systems (battery management unit, 211), the battery management systems (211) being configured to communicate with the battery banks (23); the battery cluster management unit (211) and the battery management unit (221) are connected by daisy chain, battery management unit (221) is connected with the battery pack (23) through wiring harness; and initializing the TCP/IP protocol stack, establishing the TCP server, when the battery array management component is connected to the TCP when the server, the battery cluster management unit starts to work, if there is no battery array management component connected to the TCP server, it can broadcast the IP address of the primary battery cluster management unit according to the set time interval (such as 250 ms) (see Abstract; figures 2 and 7-8; and Specific implementation examples). Lui et al. fails to disclose a system comprising: battery management systems comprising first and second ports for transmission control protocol/Internet protocol (TCP/IP) communication, configured to receive state data from a corresponding one of the battery banks, and configured to communicate in a daisy chain manner with one another. Hallmark et al. discloses an energy storage system comprising: a battery system (power system, 10) configured to comprise battery banks (battery submodules (20, 20A, 20B,…20N)) electrically connected to each other; and battery management system (70, 70A, 70B) comprising first and second ports for transmission control protocol/Internet protocol (TCP/IP) communication, the battery management system being configured to communicate with the battery banks, configured to receive state data from a corresponding one of the battery banks (see Abstract; figures 1-9; and column 4, line 24 through column 13, line 60), since the battery management system may employ Control Area Network bus (CANbus) implementation, Ethernet User Data Protocol (Ethernet UDP) communication linkage, may employ Modbus TCP/IP communication linkage, and/or may employ any communication linkage suitable for providing peer-to-peer communications amongst the submodule controllers (74A, 74B, 74N) (see figure 9 and column 11, lines 29-61). Hallmark et al. fails to disclose that the battery management systems being configured to communicate with the battery banks configured to communicate in a daisy chain manner with one another. Chang discloses a battery system (1000) includes battery modules 100[1]~100[n] and the battery modules 100[1]~100[n] are connected to one another in daisy-chain configuration and communicate with one another through the daisy chain according to a communication interface protocol (see figure 2 and paragraph 0028). It would have been obvious to one having ordinary skill in the art before the effective filing date of the claimed invention to modify the teachings of Lui et al. with the teachings of Hallmark et al. resulting in a system comprising: battery management systems comprising first and second ports for transmission control protocol/Internet protocol (TCP/IP) communication, configured to receive state data from a corresponding one of the battery banks in order to manage a large number of battery banks based of a specific battery bank. It would have been obvious to one having ordinary skill in the art before the effective filing date of the claimed invention to modify the teachings of Lui et al. with the teachings of Chang resulting in a system wherein battery management systems being configured to communicate with the battery banks configured to communicate in a daisy chain manner with one another. wherein the battery management systems are configured to perform communication as a server using the first port, and to perform communication as a client using the second port. Regarding claim 2, Lui et al. discloses a system wherein the battery management systems are configured to perform communication as a server using the first port, and to perform communication as a client using the second port, since Lui et al. discloses establishing the TCP server (Specific implementation examples). Regarding claim 10, Lui et al. discloses an energy storage system (energy storage device, 50) comprising: a battery system (battery cluster management unit, 211) configured to comprise battery banks (group of battery pack, 23) electrically connected to each other; battery management systems (battery management unit, 211), the battery management systems (211) being configured to communicate with the battery banks (23); the battery cluster management unit (211) and the battery management unit (221) are connected by daisy chain, battery management unit (221) is connected with the battery pack (23) through wiring harness; and initializing the TCP/IP protocol stack, establishing the TCP server, when the battery array management component is connected to the TCP when the server, the battery cluster management unit starts to work, if there is no battery array management component connected to the TCP server, it can broadcast the IP address of the primary battery cluster management unit according to the set time interval (such as 250 ms) (see Abstract; figures 2 and 7-8; and Specific implementation examples). Lui et al. fails to discloses a system comprising: battery management systems comprising first and second ports for user datagram protocol (UDP) communication, the battery management systems being configured to communicate with the battery banks, configured to receive state data from a corresponding one of the battery banks, and configured to communicate in a daisy chain manner with one another. Hallmark et al. discloses a system comprising: a battery system (power system, 10) configured to comprise battery banks electrically connected to each other; and battery management systems (70, 70A, 70B) comprising first and second ports for user datagram protocol (UDP) communication, the battery management systems (70, 70A, 70B) being configured to communicate with the battery banks (battery submodules (20, 20A, 20B,…20N)), and configured to receive state data from a corresponding one of the battery banks (battery submodules (20, 20A, 20B,…20N)) (see Abstract; figures 1-9; and column 4, line 24 through column 13, line 60), since Hallmark et al. discloses that the battery management system may employ Control Area Network bus (CANbus) implementation, Ethernet User Data Protocol (Ethernet UDP) communication linkage, may employ Modbus TCP/IP communication linkage, and/or may employ any communication linkage suitable for providing peer-to-peer communications amongst the submodule controllers (74A, 74B, 74N) (see figure 9 and column 11, lines 29-61). Hallmark et al. fails to disclose that the battery management systems being configured to communicate with the battery banks configured to communicate in a daisy chain manner with one another. Chang discloses a battery system (1000) includes battery modules 100[1]~100[n] and the battery modules 100[1]~100[n] are connected to one another in daisy-chain configuration and communicate with one another through the daisy chain according to a communication interface protocol (see figure 2 and paragraph 0028). It would have been obvious to one having ordinary skill in the art before the effective filing date of the claimed invention to modify the teachings of Lui et al. with the teachings of Hallmark et al. resulting in a system comprising: battery management systems comprising first and second ports for user datagram protocol (UDP) communication, the battery management systems being configured to communicate with the battery banks in order to manage a large number of battery banks based of a specific battery bank. It would have been obvious to one having ordinary skill in the art before the effective filing date of the claimed invention to modify the teachings of Lui et al. with the teachings of Chang resulting in a system wherein battery management systems being configured to communicate with the battery banks configured to communicate in a daisy chain manner with one another. Regarding claim 11, Lui et al. discloses a system wherein the battery management systems are configured to perform communication as a server using the first port, and to perform communication as a client using the second port, since Lui et al. discloses establishing the TCP server (Specific implementation examples). Allowable Subject Matter Claims 3-9 and 12-18 are objected to as being dependent upon a rejected base claim, but would be allowable if rewritten in independent form including all of the limitations of the base claim and any intervening claims. The closest prior art references are Lui et al. (CN 112467239 A), Hallmark et al. (US 10,320,034 B2), Chang (US 2021/0075227 A1), and Jung et al. (KR 10-2021-0101537 A, provided with IDS filed on October 17, 2023) Regarding claims 3-4 and 9, the prior art references fails to disclose an energy storage system wherein IDs are respectively assigned to the battery management systems, and wherein IPs of the battery management systems are set according to the IDs; and wherein IDs are respectively assigned to the battery management systems, and wherein data zones in a transmission frame are respectively allocated according to the IDs. Claims 5-8 depend on claim 4. Regarding claim 9, Jung et al. discloses the battery management device (300) comprises the tray BMS (410), the remote I/O unit (420), and the rack BMS (430) (see figure 4 and page 9 of 17, paragraph 8). Jung et al. fails to discloses or suggest a system wherein the battery banks comprise racks electrically connected to each other and configured to communicate with each other through controller area network (CAN) communication, and wherein the battery management systems are configured to receive the state data obtained from battery modules constituting a corresponding one of the racks in a daisy-chain manner based on CAN communication. Regarding claims 12-13 and 18, the prior art references fails to discloses a system wherein IDs are respectively assigned to the battery management systems, and wherein IPs of the battery management systems are set according to the IDs; and wherein IDs are respectively assigned to the battery management systems, and wherein data zones in a transmission frame are respectively allocated according to the IDs Claims 14-17 depend on claim 13. Regarding claim 18, Jung et al. discloses the battery management device (300) comprises the tray BMS (410), the remote I/O unit (420), and the rack BMS (430) (see figure 4 and page 9 of 17, paragraph 8). Jung et al. fails to disclose or suggest a system wherein the battery banks comprise racks electrically connected to each other and configured to communicate with each other through controller area network (CAN) communication, and wherein the battery management systems are configured to receive the state data obtained from battery modules constituting a corresponding one of the racks in a daisy-chain manner based on CAN communication. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to NATASHA E YOUNG whose telephone number is (571)270-3163. The examiner can normally be reached M-F 7:00 am - 6:00 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, Wang Claire can be reached at 571-270-1051. 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. NATASHA E. YOUNG Examiner Art Unit 1774 /NATASHA E YOUNG/Primary Examiner, Art Unit 1774
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Prosecution Timeline

Oct 17, 2023
Application Filed
Feb 21, 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

1-2
Expected OA Rounds
83%
Grant Probability
92%
With Interview (+9.2%)
2y 8m
Median Time to Grant
Low
PTA Risk
Based on 1070 resolved cases by this examiner. Grant probability derived from career allow rate.

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