Prosecution Insights
Last updated: October 23, 2026
Application No. 18/984,592

ELECTRONIC DEVICE AND METHOD FOR PROVIDING FREQUENCY OFFSET IN FRONTHAUL INTERFACE

Non-Final OA §102
Filed
Dec 17, 2024
Priority
Jun 17, 2022 — RE 10-2022-0074315 +2 more
Examiner
RUBIN, BLAKE J
Art Unit
2457
Tech Center
2400 — Computer Networks
Assignee
Samsung Electronics Co., Ltd.
OA Round
1 (Non-Final)
76%
Grant Probability
Favorable
1-2
OA Rounds
1y 3m
Est. Remaining
73%
With Interview

Examiner Intelligence

Grants 76% — above average
76%
Career Allowance Rate
467 granted / 614 resolved
+18.1% vs TC avg
Minimal -4% lift
Without
With
+-3.5%
Interview Lift
resolved cases with interview
Typical timeline
3y 2m
Avg Prosecution
18 currently pending
Career history
638
Total Applications
across all art units

Statute-Specific Performance

§101
7.5%
-32.5% vs TC avg
§103
45.8%
+5.8% vs TC avg
§102
34.7%
-5.3% vs TC avg
§112
1.8%
-38.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 614 resolved cases

Office Action

§102
DETAILED ACTION This action is in response to communication on December 17th, 2024. Claims 1-20 are currently pending. The present application is a continuation of International application no. PCT/KR2023/006644, filed on August 16th, 2023, which claims priority to the Republic of Korea application nos. KR10-2022-0080072 and KR10-2022-0074315, filed on June 29th, 2022 and June 17th, 2022, respectively. The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Allowable Subject Matter Claims 5, 10, 15, and 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. Claim Rejections - 35 USC § 102 The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(2) the claimed invention was described in a patent issued under section 151, or in an application for patent published or deemed published under section 122(b), in which the patent or application, as the case may be, names another inventor and was effectively filed before the effective filing date of the claimed invention. Claims 1-4, 6-9, 11-14, 16-19 are rejected under 35 U.S.C. 102(a)(2) as being anticipated by Xu et al (U.S. Patent Application Publication no. 2020/0229009, hereinafter Xu). With respect to claims 1, 6, 11, and 16, Xu discloses a method and electronic device performed by a radio unit (RU) and distributed unit (DU (paragraph [0084], lines 1-9), the method comprising: receiving, from a distributed unit (DU), a control plane (C-plane) message including frequency offset information (paragraph [0080], lines 1-9, frequency domain comb offset) and frame structure information indicating a subcarrier spacing (SCS) (paragraph [0078], lines 9-11); identifying a frequency offset factor among a plurality of frequency offset factors (paragraph [0080], lines 1-9, frequency domain comb offset); obtaining a frequency offset value corresponding to a product of the frequency offset information, the SCS, and the frequency offset factor (paragraph [0080], lines 9-17, proportional to a ratio of the downlink SCS to the uplink SCS); and transmitting downlink signals based on the frequency offset value, wherein the plurality of frequency offset factors includes ‘0.5’ and ‘0.25’ (paragraph [0132], lines 1-8, once every other subcarrier). With respect to claims 2, 7, 12, and 17, Xu discloses the method of claims 1, 6, 11, and 16, further comprising: receiving, from the DU, a management plane (M-plane) message including mode information indicating the frequency offset factor (paragraph [0132], lines 1-8, half that of the downlink SCS of the victim UE 115, the aggressor UE 115 may apply a transmitter comb factor). With respect to claims 3, 8, 13, and 18, Xu discloses the method of claims 1, 6, 11, and 16, wherein the frame structure information includes bits indicating the SCS (paragraph [0113], lines 1-7), wherein, in based on a value of the bits belonging to a first range, the identified frequency offset factor is ‘0.5’ (paragraph [0132], lines 1-8, half that of the downlink SCS of the victim UE 115), and wherein, based on a value of the bits belonging to a second range different from the first range, the identified frequency offset factor is ‘0.5’ (paragraph [0132], lines 1-8, half that of the downlink SCS of the victim UE 115). With respect to claims 4, 9, 14, and 19, Xu discloses the method of claims 1, 6, 11, and 16, wherein the plurality of frequency offset factors further includes ‘0.125’ and ‘0.0625’ (paragraph [0133], lines 5-17, offset may be applied at the UE 115 with the higher SCS to match a phase of the UE with the lower scs; paragraph [0135], lines 1-10, the ratio may be equal to the larger SCS divided by the small SCS). Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. Cha Pat. Pub. 2020/0220583 Any inquiry concerning this communication or earlier communications from the examiner should be directed to BLAKE J RUBIN whose telephone number is (571)270-3802. The examiner can normally be reached on Monday - Friday, 9am - 5pm. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Ario Etienne can be reached on 571-272-4001. 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. 9/29/26 /BLAKE J RUBIN/Primary Examiner, Art Unit 2457
Read full office action

Prosecution Timeline

Dec 17, 2024
Application Filed
Sep 29, 2026
Examiner Interview (Telephonic)
Oct 02, 2026
Non-Final Rejection mailed — §102 (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
76%
Grant Probability
73%
With Interview (-3.5%)
3y 2m (~1y 3m remaining)
Median Time to Grant
Low
PTA Risk
Based on 614 resolved cases by this examiner. Grant probability derived from career allowance rate.

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