Prosecution Insights
Last updated: April 19, 2026
Application No. 17/910,374

MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES

Non-Final OA §112
Filed
Sep 09, 2022
Examiner
NGUYEN, VU ANH
Art Unit
1762
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Merck Patent GmbH
OA Round
1 (Non-Final)
83%
Grant Probability
Favorable
1-2
OA Rounds
2y 6m
To Grant
99%
With Interview

Examiner Intelligence

Grants 83% — above average
83%
Career Allow Rate
1247 granted / 1498 resolved
+18.2% vs TC avg
Strong +16% interview lift
Without
With
+15.9%
Interview Lift
resolved cases with interview
Typical timeline
2y 6m
Avg Prosecution
31 currently pending
Career history
1529
Total Applications
across all art units

Statute-Specific Performance

§101
0.5%
-39.5% vs TC avg
§103
37.8%
-2.2% vs TC avg
§102
29.2%
-10.8% vs TC avg
§112
27.3%
-12.7% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1498 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 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 25-26, 30-31, 34 and 37-42 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 25 recites that Y is C if bonded to Ar2 or a group Z, but there is not a possibility for Y to bond to either Ar2 or Z in the structure. The claim is therefore confusing. In claim 26, the phrase “with the proviso that the group CRz correspond [sic] to a group C at the bonding position of the adjacent anthracene” is unclear. Perhaps the phrase should be amended to “with the proviso that the group CRz at the bonding position of the anthracene corresponds to C”. Claim 30 recites that V is C if bonded to Ars, which is not found in formula (H1-2). The preamble of claim 31 is grammatically erred and should be corrected, e.g., to “The composition according to claim 23, wherein…” Also, claim 31 recites that the symbols of the chemical structure have the same meaning as in claim 23, but claim 23 does not have a description for V. Claim 34 is indefinite for a number of reasons. First, while not a reason for rejection, “Ar2, Ar4” should be corrected to “Ar2 and Ar4”. Second, the claim recites that the groups Ar2 and Ar4 are on each occurrence, consisting of phenyl, biphenyl…..and dibenzothiophene,” which is not possible as each of Ar2 and Ar4 can only be one group, not all of the listed groups simultaneously. Third, the claim recites that Ar2 and Ar4 may be a combination of the “previously cited groups”. Now, the previously cited groups may be the groups listed in claim 34 or the groups listed in claim 23, and these groups are not the same. Thus, the phrase is ambiguous. Perhaps, claim 34 should be amended to “The composition according to claim 23, wherein the groups Ar2 and Ar4 are selected from the group consisting of phenyl…..and dibenzothiophene, or a combination thereof.” Claim 37 is indefinite for a number of reasons. First, in the definition of E20, the claim states that Ar21, Ar23 and E20 together form a ring, but formula E-2 does not have Ar23. Second, R0 is said to be H, D, F, straight-chain alkyl, branched or cyclic alkyl, each of which may be substituted…. “and where one or more H atoms may be replaced by D or F, or an aromatic or heteroaromatic ring systems [sic]…” As written, a hydrogen atom of the alkyl groups may be replaced by an aromatic or a heteroaromatic ring system. But that does not seem to be the intention, which is suspected to be that R0 may be an aromatic or a heteroaromatic ring system. The confusing listing of groups separated from one another by commas renders the description of R0 misleading. The description of R0 should be amended. Third, in the description of the subscript r, the German word “oder” has not been translated to “or”. Claim 38 is indefinite because it is unclear if the percents are by weight, by volume, or by mole. Claim 39 is grammatically erred and should be corrected, e.g., to “A formulation comprising at least one composition according to claim 23 and at least one solvent.” Claim 40 should have a word or phrase connecting the preamble with the steps. For example, the colon after “claim 23” may be replaced by a comma, followed by the phrase “comprising the following steps:”. Also, an “and” should be inserted before step c. Claims 41-42 are indefinite by virtue of their dependency on claim 40. Allowable Subject Matter Claims 23-24, 27-29, 32-33, 35-36 and 43-44 are allowed. Claims 25-26, 30-31, 34 and 37-42 would be allowable if rewritten 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 and to include all of the limitations of the base claim and any intervening claims. The following is a statement of reasons for the indication of allowable subject matter: The composition of claim 23 is not disclosed or suggested by the prior art of record. While the claimed compounds are individually known in the art, e.g., US 2009/0026919 A1 and US 2010/0187505 A1, there is not an obvious reason for a POSITA to combine them to arrive at the claimed composition. Contact Information Any inquiry concerning this communication or earlier communications from the examiner should be directed to VU ANH NGUYEN whose telephone number is (571)270-5454. The examiner can normally be reached M-F 8:00 AM-5:00 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, ROBERT JONES can be reached at (571) 270-7733. 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. /VU A NGUYEN/Primary Examiner, Art Unit 1762
Read full office action

Prosecution Timeline

Sep 09, 2022
Application Filed
Nov 20, 2025
Non-Final Rejection — §112 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12604662
LIGHT-EMITTING DEVICE AND LIGHT-EMITTING APPARATUS
2y 5m to grant Granted Apr 14, 2026
Patent 12600885
COMPOSITION INCLUDING MONOMER WITH A CARBOXYLIC ACID GROUP, MONOMER WITH A HYDROXYL GROUP, AN ALKYL MONOMER, AND CROSSLINKER AND RELATED ARTICLE AND METHOD
2y 5m to grant Granted Apr 14, 2026
Patent 12598907
ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME
2y 5m to grant Granted Apr 07, 2026
Patent 12598859
LIGHT EMITTING DEVICE AND LIGHT EMITTING DISPLAY DEVICE INCLUDING THE SAME
2y 5m to grant Granted Apr 07, 2026
Patent 12583843
ORGANIC LIGHT-EMITTING DEVICE, METHOD FOR MANUFACTURING SAME, AND COMPOSITION FOR ORGANIC MATERIAL LAYER OF ORGANIC LIGHT-EMITTING DEVICE
2y 5m to grant Granted Mar 24, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

AI Strategy Recommendation

Get an AI-powered prosecution strategy using examiner precedents, rejection analysis, and claim mapping.
Powered by AI — typically takes 5-10 seconds

Prosecution Projections

1-2
Expected OA Rounds
83%
Grant Probability
99%
With Interview (+15.9%)
2y 6m
Median Time to Grant
Low
PTA Risk
Based on 1498 resolved cases by this examiner. Grant probability derived from career allow rate.

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month