Maintenance fees coming due

Dropbox, Inc.

279 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 28, 2026. Unpaid by May 28, 2027, that one lapses early.

A maintenance fee does not end a patent on its due date. It falls due at 3.5, 7.5 and 11.5 years from grant, and the patent lapses only if the fee is still unpaid at the end of the six month grace period that follows.

Patent	Title	Holder	Status	Fee due	Lapses if unpaid	Expires	Confidence
US 10,303,418	Content Item Presentation System Dropbox, Inc. In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Sep 12, 2034 · High confidence	Dropbox, Inc.	In force	Nov 28, 2026	May 28, 2027	Term ends Sep 12, 2034	High confidence
US 10,303,658	Generating and Sharing Metadata for Indexing Synchronized Content Items Dropbox, Inc. In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Mar 24, 2036 · High confidence	Dropbox, Inc.	In force	Nov 28, 2026	May 28, 2027	Term ends Mar 24, 2036	High confidence
US 9,049,176	File Sharing via Link Generation Dropbox, Inc. In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Jun 22, 2031 · Medium confidence	Dropbox, Inc.	In force	Dec 2, 2026	Jun 2, 2027	Term ends Jun 22, 2031	Medium confidence
US 10,310,904	Distributed Technique for Allocating Long-Lived Jobs Among Worker Processes Dropbox, Inc. In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Term ends Jul 31, 2036 · High confidence	Dropbox, Inc.	In force	Dec 4, 2026	Jun 4, 2027	Term ends Jul 31, 2036	High confidence
US 11,669,544	Allocation and Reassignment of Unique Identifiers for Synchronization of Content Items Dropbox, Inc. In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Dec 29, 2037 · Low confidence	Dropbox, Inc.	In force	Dec 6, 2026	Jun 7, 2027	Term ends Dec 29, 2037	Low confidence
US 9,053,165	Structured Content Item Synchronization Dropbox, Inc. In force Fee due Dec 9, 2026 Lapses if unpaid Jun 9, 2027 Term ends Sep 27, 2033 · High confidence	Dropbox, Inc.	In force	Dec 9, 2026	Jun 9, 2027	Term ends Sep 27, 2033	High confidence
US 9,055,063	Managing Shared Content with a Content Management System Dropbox, Inc. In force Fee due Dec 9, 2026 Lapses if unpaid Jun 9, 2027 Term ends May 6, 2033 · High confidence	Dropbox, Inc.	In force	Dec 9, 2026	Jun 9, 2027	Term ends May 6, 2033	High confidence
US 10,318,113	Navigating Digital Content Using Visual Characteristics of the Digital Content Dropbox, Inc. In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends Jan 8, 2036 · High confidence	Dropbox, Inc.	In force	Dec 11, 2026	Jun 11, 2027	Term ends Jan 8, 2036	High confidence
US 11,675,811	Storage Constrained Synchronization of Shared Content Items Dropbox, Inc. In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 Term ends Jan 30, 2035 · High confidence	Dropbox, Inc.	In force	Dec 13, 2026	Jun 14, 2027	Term ends Jan 30, 2035	High confidence
US 11,675,864	Proxy Links to Support Legacy Links Dropbox, Inc. In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 Term ends Jun 28, 2041 · High confidence	Dropbox, Inc.	In force	Dec 13, 2026	Jun 14, 2027	Term ends Jun 28, 2041	High confidence
269 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 279 patents shown. Soonest fee due date first, then patent number.

Pro members see every patent with a maintenance fee coming due: number, title, status, the due date, and the date it lapses if the fee goes unpaid through the grace period.

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Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.