Prosecution Insights
Last updated: April 19, 2026
Application No. 18/079,709

LIGHT EMITTING DEVICE AND LIGHT EMITTING DISPLAY INCLUDING THE SAME

Non-Final OA §112
Filed
Dec 12, 2022
Examiner
VISCONTI, GERALDINA
Art Unit
1737
Tech Center
1700 — Chemical & Materials Engineering
Assignee
LG Display Co., Ltd.
OA Round
1 (Non-Final)
86%
Grant Probability
Favorable
1-2
OA Rounds
2y 5m
To Grant
88%
With Interview

Examiner Intelligence

Grants 86% — above average
86%
Career Allow Rate
1146 granted / 1325 resolved
+21.5% vs TC avg
Minimal +2% lift
Without
With
+1.5%
Interview Lift
resolved cases with interview
Typical timeline
2y 5m
Avg Prosecution
36 currently pending
Career history
1361
Total Applications
across all art units

Statute-Specific Performance

§101
1.8%
-38.2% vs TC avg
§103
23.9%
-16.1% vs TC avg
§102
23.9%
-16.1% vs TC avg
§112
32.2%
-7.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1325 resolved cases

Office Action

§112
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 Objections Claims 1 and 15 are objected to because of the following informalities: the superfluous recitation of “[Formula 1]”. Appropriate correction is required. Claim 2 is objected to because of the following informalities: the superfluous recitation of “[Formula 2]”. Appropriate correction is required. Claim Rejections - 35 USC § 112 The following is a quotation of 35 U.S.C. 112(b): (b) CONCLUSION.—The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the inventor or a joint inventor regards as the invention. The following is a quotation of 35 U.S.C. 112 (pre-AIA ), second paragraph: The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the applicant regards as his invention. Claims 1-20 are rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. Claim 1 and 15 are rejected as being vague and indefinite when they each recite “at least one of X4, X5, and X6 is N and the remaining ones are CH” (emphasis added); the scope of the protection sought is not clear, particularly as there are two of each of the substituents X4, X5, and X6 in formula 1: PNG media_image1.png 239 378 media_image1.png Greyscale . Claims 1 and 15 each fail to particularly point out and distinctly claim the compound of formula 1 contained in the respectively claimed light emitting device and light emitting display, i.e., whether both occurrences of at least one of X4, X5, and X6 is N and the remaining ones are CH. Prior Art The following prior art made of record and not relied upon is considered pertinent to applicant’s disclosure of a compound of Formula 1 as represented by PNG media_image2.png 219 282 media_image2.png Greyscale : U.S. Patent Application Publication No. 2023/0217821, U.S. Patent Application Publication No. 2023/0255078, and U.S. Patent Application Publication No. 2023/0217815, which is the pre-grant publication corresponding to the present application. Allowable Subject Matter The light emitting device and light emitting display of the respective present independent claims 1 and 15 are distinguished from those of the prior art of record, in that they are each characterized by comprising a combination of (a) layer comprising a compound represented by Formula 1 PNG media_image2.png 219 282 media_image2.png Greyscale , (b) a blue light emitting layer containing a boron-based compound emitting light having a wavelength of 430 nm to 480 nm, and (c) a layer comprising a compound comprising a spirofluorene group, and at least one hydrogen atom on at least one side of the spirofluorene group is substituted by deuterium. Claims 1 and 15 would be allowable if rewritten or amended to overcome the rejection(s) under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), 2nd paragraph, set forth in this Office action. Claims 2-14 and 16-20 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. Any inquiry concerning this communication or earlier communications from the examiner should be directed to Geraldina Visconti whose telephone number is (571)272-1334. The examiner can normally be reached Monday-Friday, 8:00am-4:30pm. 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, Mark F Huff can be reached at 571-272-1385. 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. GERALDINA VISCONTI Primary Examiner Art Unit 1737 /GERALDINA VISCONTI/Primary Examiner, Art Unit 1737
Read full office action

Prosecution Timeline

Dec 12, 2022
Application Filed
Jan 11, 2026
Non-Final Rejection — §112 (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
86%
Grant Probability
88%
With Interview (+1.5%)
2y 5m
Median Time to Grant
Low
PTA Risk
Based on 1325 resolved cases by this examiner. Grant probability derived from career allow rate.

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