Prosecution Insights
Last updated: April 19, 2026
Application No. 18/752,520

PRE-CONDUCTIVE ARRAY DISPOSED ON TARGET CIRCUIT SUBSTRATE AND CONDUCTIVE STRUCTURE ARRAY THEREOF

Final Rejection §103§DP
Filed
Jun 24, 2024
Examiner
MCKANE, ELIZABETH L
Art Unit
3991
Tech Center
3900
Assignee
LG Display Co., Ltd.
OA Round
2 (Final)
61%
Grant Probability
Moderate
3-4
OA Rounds
3y 5m
To Grant
87%
With Interview

Examiner Intelligence

Grants 61% of resolved cases
61%
Career Allow Rate
135 granted / 221 resolved
+1.1% vs TC avg
Strong +26% interview lift
Without
With
+25.6%
Interview Lift
resolved cases with interview
Typical timeline
3y 5m
Avg Prosecution
27 currently pending
Career history
248
Total Applications
across all art units

Statute-Specific Performance

§101
0.4%
-39.6% vs TC avg
§103
43.0%
+3.0% vs TC avg
§102
18.7%
-21.3% vs TC avg
§112
22.9%
-17.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 221 resolved cases

Office Action

§103 §DP
Reissue 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 Status Amended patent claims 1-20 and new claims 21-32 are pending. 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. Claim(s) 1-12 is/are rejected under 35 U.S.C. 103 as being unpatentable over US 2012/0068350 to Kim et al. (hereinafter Kim ‘350) in view of EP 1942365 to Kim et al. (hereinafter Kim EP). With respect to claims 1 and 4-8, Kim ‘350 teaches a pre-conductive array (matrix arrangement of regions 240) disposed on a target circuit substrate 205, the pre-conductive array comprising a plurality of conductive electrode groups 217,270 (Figure 3) disposed on the target circuit substrate 205, wherein a first distance L1 is provided between every two of the plurality of conductive electrode groups (see annotated Figure 2B below), and each of the plurality of conductive electrode groups comprises at least a pair of conductive electrodes. Instead of conductive particles Kim ‘350 discloses solder PNG media_image1.png 666 714 media_image1.png Greyscale bumps 270 on electrode pads 217 to connect substrate 205 to solder material 170 on lower substrate 105. See Figure 3; paras [0070-0090]. Kim EP discloses a means of connecting a chip 41 to a TFT substrate 81 using conductive particles. The chip 41 includes metal bumps 53 in electrical connection with electrode pads 43. Contact layers 45,47 are disposed on the chip and conductive particles 30 are positioned on the upper surface of the metal bump such that they are located above the contact layer. See Figure 10. PNG media_image2.png 350 490 media_image2.png Greyscale Kim EP teaches that use of the conductive particles with the metal bumps permits the bumps to “have a fine pitch, so that chip size may be reduced to increase the number of net dies per wafer, thereby reducing manufacturing cost.” See col.11, lines 1-9. Thus, it would have been obvious to replace the opposing bumps of Kim ‘350 with the single bump and conductive particles of Kim so as to place dies closer together, increasing the number of dies per wafer. When replacing the solder bumps of Kim ‘350 with the bump and conductive particles of Kim EP, at least one conductive particle will be disposed on each of the pairs of the conductive electrodes wherein the conductive particles and the corresponding pair of the conductive electrodes form pre-conductive structures, and the pre-conductive structures form the pre-conductive array. As to the density of conductive particles, when the array of Kim ‘350 (shown in Figure 2B) is modified by Kim EP such that each electrode has at least one conductive particle therein, a first density is defined to represent a number of the plurality of conductive particles within a unit area of each of the pre-conductive structures, a second density is defined to represent a number of the plurality of conductive particles within a unit area between two of the pre-conductive structures, and the first density is greater than the second density. Since no conductive particles are located between each conductive structure, the first density will necessarily be larger than the second density which includes the empty areas between adjacent conductive structures. As to claims 2 and 3, each of the plurality of conductive electrode groups of Kim ‘350 comprises multiple pairs of conductive electrodes, a second distance L2 is provided between adjacent two pairs of the conductive electrodes, and a third distance L3 is provided between two of the conductive electrodes of each pair. See Annotated Figure 2B above. As to claims 9 and 10, in Kim ‘350 each pre-conductive structure may additionally be divided into a first number of conductive electrodes/electrode groups having a pair of conductive electrodes and a second number of conductive electrodes as shown in annotated Figure 2B as “electrode pairs.” With respect to claims 11 and 12, as shown in Figure 2B of Kim ‘350 each pre-conductive structure contains a plurality of electrode groups arranged in a first array pattern and each group having at least a pair of conductive electrodes arranged in a second array pattern. 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 1-4, 6-8, 13, and 17 are provisionally rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-4, 10, 11, 17, and 24 of copending Application No. 18/753739 (reference application). Although the claims at issue are not identical, they are not patentably distinct from each other. The limitations of claims 1-4 are recited by claims 1-7 of the ‘739 application. The limitations of claims 6-8 are recited by claims 10 and 11 of the ‘739 application. The limitations of claim 13 are recited by claim 24 of the ‘739 application. The limitations of claim 17 are recited by claim 17 of the ‘739 application. This is a provisional nonstatutory double patenting rejection because the patentably indistinct claims have not in fact been patented. Allowable Subject Matter Claims 13-32 will be allowable upon filing of a terminal disclaimer to overcome the non-statutory double-patenting rejection set forth in this Office action. The following is an examiner’s statement of reasons for indication of allowable subject matter: Claim 13 recites “…array-type micro semiconductor structures disposed corresponding to a part or all of the pre-conductive array of the target circuit substrate, wherein each of the micro semiconductor structures has a pair of electrodes, and each of the electrodes of each of the micro semiconductor structures and a corresponding pre-conductive structure of the target circuit substrate together form a conductive structure.” Claim 17 is substantially the same but instead requires “an electrode” instead of a “pair of electrodes.” Kim ‘350 is directed to semiconductor packages and electronic devices, including CPUs and logic devices. Kim ‘350 does not teach or suggest disposing array-type micro-semiconductor structures, each having a pair of electrodes, on corresponding pre-conductive structures of the target circuit substrate to form a conductive structure, as required by claim 13. Kim EP likewise does not teach or suggest disposing micro-semiconductor structures in the manner claimed. Claims 14-16 and 18-32 would be likewise allowable as depending from one of claims 13 or 17. Any comments considered necessary by applicant must be submitted no later than the payment of the issue fee and, to avoid processing delays, should preferably accompany the issue fee. Such submissions should be clearly labeled “Comments on Statement of Reasons for Allowance.” Response to Arguments Applicant’s arguments with respect to claim(s) 1-20 have been considered but are moot because the new ground of rejection does not rely on any reference applied in the prior rejection of record for any teaching or matter specifically challenged in the argument. Conclusion Applicant is reminded of the continuing obligation under 37 CFR 1.178(b), to timely apprise the Office of any prior or concurrent proceeding in which Patent No. 10,431,561 is or was involved. These proceedings would include any trial before the Patent Trial and Appeal Board, interferences, reissues, reexaminations, supplemental examinations, and litigation. Applicant is further reminded of the continuing obligation under 37 CFR 1.56, to timely apprise the Office of any information which is material to patentability of the claims under consideration in this reissue application. These obligations rest with each individual associated with the filing and prosecution of this application for reissue. See also MPEP §§ 1404, 1442.01 and 1442.04. 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 nonprovisional extension fee (37 CFR 1.17(a)) 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 mailing date of this final action. Any inquiry concerning this communication or earlier communications from the examiner should be directed to ELIZABETH MCKANE whose telephone number is (571) 272-1275. The examiner can normally be reached on Mon-Thurs; 6:30 am - 4:30 pm. If attempts to reach the examiner by telephone are unsuccessful, the examiner's supervisor Patricia Engle can be reached on 571-272-6660. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of any application may be obtained from the Patent Center at https://patentcenter.uspto.gov. Should you have questions, 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. /ELIZABETH L MCKANE/Specialist, Art Unit 3991 Conferees: /LEE E SANDERSON/Reexamination Specialist, Art Unit 3991 /Patricia L Engle/SPRS, Art Unit 3991
Read full office action

Prosecution Timeline

Jun 24, 2024
Application Filed
Jun 24, 2024
Response after Non-Final Action
Oct 30, 2025
Non-Final Rejection — §103, §DP
Jan 13, 2026
Examiner Interview Summary
Jan 13, 2026
Applicant Interview (Telephonic)
Feb 06, 2026
Response Filed
Feb 25, 2026
Final Rejection — §103, §DP (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

3-4
Expected OA Rounds
61%
Grant Probability
87%
With Interview (+25.6%)
3y 5m
Median Time to Grant
Moderate
PTA Risk
Based on 221 resolved cases by this examiner. Grant probability derived from career allow rate.

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