Prosecution Insights
Last updated: October 02, 2026
Application No. 19/406,832

BATTERY MANUFACTURING METHOD AND BATTERY MANUFACTURING SYSTEM

Final Rejection §103
Filed
Dec 02, 2025
Priority
Oct 26, 2022 — RE 10-2022-0139553 +3 more
Examiner
CAI, CHARLES J
Art Unit
2115
Tech Center
2100 — Computer Architecture & Software
Assignee
LG Energy Solution Ltd.
OA Round
2 (Final)
83%
Grant Probability
Favorable
3-4
OA Rounds
1y 8m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 83% — above average
83%
Career Allowance Rate
276 granted / 332 resolved
+28.1% vs TC avg
Strong +30% interview lift
Without
With
+29.6%
Interview Lift
resolved cases with interview
Typical timeline
2y 6m
Avg Prosecution
16 currently pending
Career history
350
Total Applications
across all art units

Statute-Specific Performance

§101
7.0%
-33.0% vs TC avg
§103
47.1%
+7.1% vs TC avg
§102
15.1%
-24.9% vs TC avg
§112
25.6%
-14.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 332 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 . Status of Claims This Office Action is in response to Applicant’s amendment filed on 7/7/2026. Claims 8-9 and 17-18 are canceled. Claims 1-7, 10-16 and 19 are pending. Response to Amendment Applicant’s amendments have fixed the deficiencies set forth in the previous Office Action hence the respective rejections/objections have been withdrawn, except for those rejections/objections if still maintained or newly added in this Office Action. Specifically, the Terminal Disclaimer Applicant filed has overcome the double-patenting rejection set forth in previous Office action. The newly added limitations in claims 1 and 11 are still taught by prior art CN352 (please see details in the 103 rejection section). Therefore, claims are unpatentable. Response to Arguments Regarding Applicant’s arguments about the rejections for claims under 35 U.S.C § 103, the arguments have been fully considered Applicant has added new limitation “extracting a cell ID after the first to nth processes are completed, wherein the cell ID is provided when one of the first to nth processes is performed”, and argued in substance that reference CN352 only teaches to generate and attach the barcode after production ends instead of in the middle of the multiple production processes. However, the newly added limitation recites “the cell ID is provided when one of the first to nth processes is performed”, which does not preclude when the last process is performed. In its broadest reasonable interpretation, the newly added limitation includes a scenario that the ID/barcode is provided when the last/nth process has been performed. Therefore, the newly added limitation is still taught by reference CN352. 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 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. Claims 1-3, 5-7, 10-13 and 15-16 and 19 are rejected under 35 U.S.C. 103 as being unpatentable over Huemiller (US 20230198034 A1, prior art of record, hereinafter as “Huemiller”) in view of CN 113656352 A (prior art of record, hereinafter as “CN352”). Regarding claim 1, Huemiller teaches a data processing method in a battery manufacturing process (data monitoring stages S1-S10 in FIG. 1 and [0037-0045]), but does not teach generating a virtual identifier (ID) corresponding to a battery cell; associating the virtual ID with process data generated for the battery cell in a progression of battery processing operations comprising first to nth processes; extracting a cell ID provided after the first to nth processes are completed, wherein the cell ID is provided when one of the first to nth processes is performed; generating process information by matching the process data associated with the virtual ID with the cell ID; and transmitting the process information including matched process data and the cell ID to an upper control system for analysis of the battery cell. However, CN352 teaches in an analogous art: generating a virtual identifier (ID) corresponding to a product ([0036]: “The first generating unit is configured to generate a virtual serial number corresponding to the production article when it is detected that the production article enters the automatic production line”); associating the virtual ID with process data generated for the product ([0036]: “and the production article corresponds to the virtual serial number in a one-to-one manner”; and [0038]: “A storage unit, configured to store the production information in a data file corresponding to the virtual number”)) in a progression of product processing operations comprising first to nth processes (FIG.s 4a and 4b: shows an automatic production line comprises “station G1, station G2, station G3, and station G4”); extracting a cell ID after the first to nth processes are completed, wherein the cell ID is provided when one of the first to nth processes is performed (in its broadest reasonable interpretation, the recited limitation “when one of the first to nth processes is performed” includes when the last/nth process is performed, i.e., when the production is finished. CN352 teaches in [0039]: “The second generating unit is configured to generate a production barcode corresponding to the virtual number when it is detected that the production of the production item in the automatic production line is finished, and to combine the production barcode, the virtual number…”); generating process information by matching the process data associated with the virtual ID with the cell ID ([0039]: “The second generating unit is configured to generate a production barcode corresponding to the virtual number when it is detected that the production of the production item in the automatic production line is finished, and to combine the production barcode, the virtual number”); and transmitting the process information including matched process data and the cell ID to an upper control system for analysis of the product ([0061]: “after the second generation unit stores the production barcode, the virtual number, and the data file corresponding to the virtual number to the service equipment corresponding to the automatic production line”. The “service equipment” is “an upper control system”. According to CN352’s teachings in [0003], the stored process information is for analysis of the product). CN352 teaches a data processing method in a solar battery manufacturing ([0091]), which can also be used in a process of battery manufacturing. It would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to have modified Huemiller based on the teaching of CN352, to make the data processing method in a battery manufacturing process to further comprise: generating a virtual identifier (ID) corresponding to a battery cell; associating the virtual ID with process data generated for the battery cell in a progression of battery processing operations comprising first to nth processes; extracting a cell ID after the first to nth processes are completed, wherein the cell ID is provided when one of the first to nth processes is performed; generating process information by matching the process data associated with the virtual ID with the cell ID; and transmitting the process information including matched process data and the cell ID to an upper control system for analysis of the battery cell. One of ordinary skill in the art would have been motivated to do this modification in order to “trace and control defective products”, as CN352 suggests in [0003]. Regarding claim 2, Huemiller-CN352 teach(es) all the limitations of its base claim from which the claim depends on. CN352 further teaches: the process data comprise a work result and/or a test result of at least one processing operation included in the manufacturing process for the product ([0037]: “obtain the production information generated during the production of the production item by the production equipment”). It would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to have further modified Huemiller based on the teaching of CN352, to make the data processing method wherein the process data comprise a work result and/or a test result of at least one battery processing operation included in the battery manufacturing process for the battery cell. One of ordinary skill in the art would have been motivated to do this modification in order to “trace and control defective products”, as CN352 suggests in [0003]. Regarding claim 3, Huemiller-CN352 teach(es) all the limitations of its base claim from which the claim depends on. CN352 further teaches: the extracting of the cell ID for the battery cell comprises reading a cell ID that is in a form of barcode or QR code at the product ([0039]: “The second generating unit is configured to generate a production barcode corresponding to the virtual number when it is detected that the production of the production item in the automatic production line is finished, and to combine the production barcode, the virtual number…”). It would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to have further modified Huemiller based on the teaching of CN352, to make the data processing method wherein the extracting of the cell ID for the battery cell comprises reading a cell ID that is in a form of barcode or QR code at the battery cell. One of ordinary skill in the art would have been motivated to do this modification in order to “trace and control defective products”, as CN352 suggests in [0003]. Regarding claim 5, Huemiller-CN352 teach(es) all the limitations of its base claim from which the claim depends on. CN352 further teaches: the virtual ID is generated based on a time point when the product is loaded into a process line ([0036]: “The first generating unit is configured to generate a virtual serial number corresponding to the production article when it is detected that the production article enters the automatic production line”). It would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to have further modified Huemiller based on the teaching of CN352, to make the data processing method wherein the virtual ID is generated based on a time point when the battery cell is loaded into a process line. One of ordinary skill in the art would have been motivated to do this modification in order to “trace and control defective products”, as CN352 suggests in [0003]. Regarding claim 6, Huemiller-CN352 teach(es) all the limitations of its base claim from which the claim depends on. CN352 further teaches: the upper control system comprises at least one of an Edge Computer System (ECS) or an Equipment Data Collection (EDC) system ([0061]: “after the second generation unit stores the production barcode, the virtual number, and the data file corresponding to the virtual number to the service equipment corresponding to the automatic production line”. The “service equipment” is “an upper control system”. The “service equipment” collects equipment process data, so it is an “equipment data collection system”). It would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to have further modified Huemiller based on the teaching of CN352, to make the data processing method wherein the upper control system comprises at least one of an Edge Computer System (ECS) or an Equipment Data Collection (EDC) system. One of ordinary skill in the art would have been motivated to do this modification in order to “trace and control defective products”, as CN352 suggests in [0003]. Regarding claim 7, Huemiller-CN352 teach(es) all the limitations of its base claim from which the claim depends on. Huemiller further teaches: the data processing method is performed by a Programmable Logic Controller (PLC) ([0038]: “one or more processes 110-180 may additionally involve control implemented via the processing circuitry 190 based on the monitoring at one of the stages S1-S10. The processing circuitry 190 may include an application specific integrated circuit (ASIC), an electronic circuit, a processor (shared, dedicated, or group) and memory that executes one or more software or firmware programs, a combinational logic circuit, and/or other suitable components that provide the described functionality”). Regarding claim 10, Huemiller-CN352 teach(es) all the limitations of its base claim from which the claim depends on. CN352 further teaches: the cell ID is attached to a device carrying the product ([0034]: “Printing the production barcode, and pasting the printed production barcode to the production article”. The shell/(out surface) of the product is also a device carrying the product). It would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to have further modified Huemiller based on the teaching of CN352, to make the data processing method wherein the cell ID is attached to a device carrying the battery cell. One of ordinary skill in the art would have been motivated to do this modification in order to “trace and control defective products”, as CN352 suggests in [0003]. Claim 11 recites a non-transitory computer-readable storage medium storing instructions to implement the data processing method of claim 1 with patentably the same limitations. Therefore, claim 11 is rejected for the same reason recited in the rejection of claim 1. Claims 12, 13, 15, 16 and 19 recite a non-transitory computer-readable storage medium storing instructions to implement the data processing method of claims 2, 3, 5, 6 and 10 respectively with patentably the same limitations. Therefore, claims 12, 13, 15, 16 and 19 are rejected for the same reason recited in the rejection of claims 2, 3, 5, 6 and 10, respectively. Claims 4 and 14 are rejected under 35 U.S.C. 103 as being unpatentable over Huemiller in view of CN352, and in further view of Wegner (US 20170205815 A1, prior art of record, hereinafter as “Wegner”). Regarding claim 4, Huemiller-CN352 teach(es) all the limitations of its base claim from which the claim depends on, but do not teach the process data matching the cell ID comprises process data collected in a time-series manner throughout a progression of process in the battery manufacturing process for the battery cell. However, Wegner teaches in an analogous art: process data collected in a time-series manner throughout the progression of processing operation in the manufacturing process ([Abstract]: “An automated method for discovering features in a repeatable process includes measuring raw time series data during the process using sensors. The time series data describes multiple parameters of the process”). It would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to have modified Huemiller-CN352 based on the teaching of Wegner, to make the data processing method wherein the process data matching the cell ID comprises process data collected in a time-series manner throughout the progression of battery processing operations in the battery manufacturing process for the battery cell. One of ordinary skill in the art would have been motivated to do this modification since it can help predict “quality of the work piece”, as Wegner teaches in [Abstract]. Claim 14 recites a non-transitory computer-readable storage medium storing instructions to implement the data processing method of claim 4 with patentably the same limitations. Therefore, claim 14 is rejected for the same reason recited in the rejection of claim 4. Conclusion Applicant's amendment necessitated the new ground(s) of rejection presented in this Office action. Accordingly, THIS ACTION IS MADE FINAL. See MPEP § 706.07(a). Applicant is reminded of the extension of time policy as set forth in 37 CFR 1.136(a). A shortened statutory period for reply to this final action is set to expire THREE MONTHS from the mailing date of this action. In the event a first reply is filed within TWO MONTHS of the mailing date of this final action and the advisory action is not mailed until after the end of the THREE-MONTH shortened statutory period, then the shortened statutory period will expire on the date the advisory action is mailed, and any extension fee pursuant to 37 CFR 1.136(a) will be calculated from the mailing date of the advisory action. In no event, however, will the statutory period for reply expire later than SIX MONTHS from the date of this final action. Any inquiry concerning this communication or earlier communications from the examiner should be directed to CHARLES CAI whose telephone number is (571)272-7192. The examiner can normally be reached on M-F 8-5 EST. 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, Kamini Shah can be reached on 571-272-2279. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of an application may be obtained from the Patent Application Information Retrieval (PAIR) system. Status information for published applications may be obtained from either Private PAIR or Public PAIR. Status information for unpublished applications is available through Private PAIR only. For more information about the PAIR system, see http://pair-direct.uspto.gov. Should you have questions on access to the Private PAIR system, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative or access to the automated information system, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /CHARLES CAI/ Primary Patent Examiner, Art Unit 2115
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Prosecution Timeline

Dec 02, 2025
Application Filed
Apr 14, 2026
Non-Final Rejection mailed — §103
Jul 07, 2026
Response Filed
Jul 21, 2026
Final Rejection mailed — §103 (current)

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Prosecution Projections

3-4
Expected OA Rounds
83%
Grant Probability
99%
With Interview (+29.6%)
2y 6m (~1y 8m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 332 resolved cases by this examiner. Grant probability derived from career allowance rate.

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