Prosecution Insights
Last updated: September 26, 2026
Application No. 18/690,667

ELECTRON BEAM-BASED EXTREME ULTRAVIOLET LIGHT SOURCE DEVICE

Non-Final OA §112
Filed
Oct 02, 2024
Priority
Sep 10, 2021 — RE 10-2021-0121129 +1 more
Examiner
VANORE, DAVID A
Art Unit
Tech Center
Assignee
Kyung Hee University Industry Cooperation Group
OA Round
1 (Non-Final)
89%
Grant Probability
Favorable
1-2
OA Rounds
0m
Est. Remaining
96%
With Interview

Examiner Intelligence

Grants 89% — above average
89%
Career Allowance Rate
1128 granted / 1269 resolved
+28.9% vs TC avg
Moderate +8% lift
Without
With
+7.5%
Interview Lift
resolved cases with interview
Fast prosecutor
1y 10m
Avg Prosecution
29 currently pending
Career history
1287
Total Applications
across all art units

Statute-Specific Performance

§101
16.4%
-23.6% vs TC avg
§103
11.3%
-28.7% vs TC avg
§102
30.3%
-9.7% vs TC avg
§112
33.6%
-6.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1269 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 . Priority Receipt is acknowledged of certified copies of papers required by 37 CFR 1.55. Information Disclosure Statement The information disclosure statement (IDS) submitted on 3/8/24 has been considered by the examiner. Claim Objections Claims 14 and 16 are objected to because of the following informalities: The claim recites “a multiplicity of extreme ultraviolet light source” which includes a grammatical error. Appropriate correction is required. Claim 15 objected to because of the following informalities: Claim 15 recites “which reflects the extreme ultraviolet”, lacking the term “light”. 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 8 and 10 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 8 recites the limitation "the anode electrodes" in line 3. There is insufficient antecedent basis for this limitation in the claim. Claim 10 recites the limitation "a multiplicity of the anode electrodes" in line 3. There is insufficient antecedent basis for this limitation in the claim. Allowable Subject Matter Claims 1-7, 9, 11-13, and 17-19 are allowed. The following is an examiner’s statement of reasons for allowance: The prior art fails to teach or suggest a device for outputting extreme ultraviolet light source based on an electron beam, the apparatus comprising: a chamber; an electron beam emission unit including a cathode electrode and a plurality of emitters, each of which contains carbon-based material and which are arranged over the cathode electrode in such a manner as to be spaced apart from each other, the electron beam emission unit generating an electron beam within the chamber; andan anode electrode positioned within the chamber, but in a manner that is spaced apart from the electron beam emission unit, and ionized upon incidence of the electron beam thereon, thereby generating plasma, wherein extreme ultraviolet is generated from the plasma as recited in claim 1. 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.” Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to DAVID A VANORE whose telephone number is (571)272-2483. The examiner can normally be reached Monday to Friday 7AM to 6 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, Georgia EPPS can be reached at (571) 272-2328. 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. DAVID A. VANORE Primary Examiner Art Unit 2881 /DAVID A VANORE/ Primary Examiner, Art Unit 2878
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Prosecution Timeline

Oct 02, 2024
Application Filed
Aug 26, 2026
Non-Final Rejection mailed — §112 (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
89%
Grant Probability
96%
With Interview (+7.5%)
1y 10m (~0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1269 resolved cases by this examiner. Grant probability derived from career allowance rate.

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