Prosecution Insights
Last updated: May 04, 2026
Application No. 18/635,477

SYSTEMS AND METHODS FOR IMPLEMENTING EFFICIENT CROSS-FADING BETWEEN COMPRESSED AUDIO STREAMS

Non-Final OA §DP
Filed
Apr 15, 2024
Priority
Nov 18, 2011 — provisional 61/561,593 +12 more
Examiner
ABEBE, DANIEL DEMELASH
Art Unit
2657
Tech Center
2600 — Communications
Assignee
Sirius Xm Radio Inc.
OA Round
1 (Non-Final)
90%
Grant Probability
Favorable
1-2
OA Rounds
5m
Est. Remaining
97%
With Interview

Examiner Intelligence

Grants 90% — above average
90%
Career Allowance Rate
909 granted / 1016 resolved
+27.5% vs TC avg
Moderate +7% lift
Without
With
+7.3%
Interview Lift
resolved cases with interview
Typical timeline
2y 5m
Avg Prosecution
22 currently pending
Career history
1038
Total Applications
across all art units

Statute-Specific Performance

§101
11.3%
-28.7% vs TC avg
§103
29.9%
-10.1% vs TC avg
§102
28.3%
-11.7% vs TC avg
§112
8.6%
-31.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1016 resolved cases

Office Action

§DP
Notice of Pre-AIA or AIA Status The present application is being examined under the pre-AIA first to invent provisions. 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 29-41 are rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-19 of U.S. Patent No. 10,366,694. Although the claims at issue are not identical, they are not patentably distinct from each other because the claims in the present application define an invention that is merely an obvious variation of the invention claimed in the patent for the following reasons. Comparing the two documents, as shown below for claims 29 of the application and claim 1 of the patent, it is clear that all the elements of claim 29 are found in claim 1. Therefore claim 29 is anticipated by claim 1 and similarly by claim 14 of the patent. The dependent claims do not introduce additional limitation or element that is not anticipated by the patent. 18635477 10366694 29. A system for implementing cross-fading between audio streams, the system comprising; a processor; and a computing device; wherein the processor of the computing device causes the computing device to: time align compressed packets of a first audio stream with compressed packets of a second audio stream; decompose data in each time aligned compressed packet of the first audio stream and the second audio stream into subcomponents; derive composited compressed packets by combining each subcomponent of each time aligned compressed packet of the first audio stream with a corresponding subcomponent of a time aligned compressed packet of the second audio stream; and decoding the composite compressed packets during a cross-fade between the first audio stream and the second audio stream. 1. A computer-implemented method for implementing cross-fading between compressed audio streams, comprising: time aligning compressed packets of a first audio stream with compressed packets of a second audio stream; decomposing data in each time aligned compressed packet of the first audio stream and the second audio stream into subcomponents; deriving composite compressed packets by combining each subcomponent of each time aligned compressed packet of the first audio stream with a corresponding subcomponent of a time aligned compressed packet of the second audio stream; and decoding the composite compressed packets during a cross-fade between the first audio stream and the second audio stream. Any inquiry concerning this communication or earlier communications from the examiner should be directed to DANIEL DEMELASH ABEBE whose telephone number is (571)272-7615. The examiner can normally be reached monday-friday 7-4. 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, Daniel Washburn can be reached at 571-272-5551. 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. /DANIEL ABEBE/Primary Examiner, Art Unit 2657
Read full office action

Prosecution Timeline

Apr 15, 2024
Application Filed
Nov 03, 2025
Non-Final Rejection — §DP (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
90%
Grant Probability
97%
With Interview (+7.3%)
2y 5m (~5m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1016 resolved cases by this examiner. Grant probability derived from career allowance rate.

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